1653567540
Unicode Slugify: A Slugifier That Works in Unicode
Unicode Slugify
Unicode Slugify is a slugifier that generates unicode slugs. It was originally used in the Firefox Add-ons web site to generate slugs for add-ons and add-on collections. Many of these add-ons and collections had unicode characters and required more than simple transliteration.
Usage
from slugify import slugify, SLUG_OK
# Default usage : lower, spaces replaced with "-", only alphanum and "-_~" chars, keeps unicode
slugify(u'Bän...g (bang)')
# u'bäng-bang'
# Keep capital letters and spaces
slugify(u'Bän...g (bang)', lower=False, spaces=True)
# u'Bäng bang'
# Replace non ascii chars with their "best" representation
slugify(u'北京 (capital of China)', only_ascii=True)
# u'bei-jing-capital-of-china'
# Allow some extra chars
slugify(u'北京 (capital of China)', ok=SLUG_OK+'()', only_ascii=True)
# u'bei-jing-(capital-of-china)'
# "snake_case" example
def snake_case(s):
# As "-" is not in allowed Chars, first one (`_`) is used for space replacement
return slugify(s, ok='_', only_ascii=True)
snake_case(u'北京 (capital of china)')
# u'bei_jing_capital_of_china'
# "CamelCase" example
def camel_case(s):
return slugify(s.title(), ok='', only_ascii=True, lower=False)
camel_case(u'北京 (capital of china)')
# u'BeiJingCapitalOfChina'
Thanks
Tomaz Solc, unidecode, https://pypi.python.org/pypi/Unidecode
Author: mozilla
Source Code: https://github.com/mozilla/unicode-slugify
License: View license
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Buddha Community
1650960540
Python String Methods Explained with Examples
Python has a set of built-in methods that you can use on strings.
Note: All string methods returns new values. They do not change the original string.
| Method | Description |
|---|---|
| capitalize() | Converts the first character to upper case |
| casefold() | Converts string into lower case |
| center() | Returns a centered string |
| count() | Returns the number of times a specified value occurs in a string |
| encode() | Returns an encoded version of the string |
| endswith() | Returns true if the string ends with the specified value |
| expandtabs() | Sets the tab size of the string |
| find() | Searches the string for a specified value and returns the position of where it was found |
| format() | Formats specified values in a string |
| format_map() | Formats specified values in a string |
| index() | Searches the string for a specified value and returns the position of where it was found |
| isalnum() | Returns True if all characters in the string are alphanumeric |
| isalpha() | Returns True if all characters in the string are in the alphabet |
| isascii() | Returns True if all characters in the string are ascii characters |
| isdecimal() | Returns True if all characters in the string are decimals |
| isdigit() | Returns True if all characters in the string are digits |
| isidentifier() | Returns True if the string is an identifier |
| islower() | Returns True if all characters in the string are lower case |
| isnumeric() | Returns True if all characters in the string are numeric |
| isprintable() | Returns True if all characters in the string are printable |
| isspace() | Returns True if all characters in the string are whitespaces |
| istitle() | Returns True if the string follows the rules of a title |
| isupper() | Returns True if all characters in the string are upper case |
| join() | Converts the elements of an iterable into a string |
| ljust() | Returns a left justified version of the string |
| lower() | Converts a string into lower case |
| lstrip() | Returns a left trim version of the string |
| maketrans() | Returns a translation table to be used in translations |
| partition() | Returns a tuple where the string is parted into three parts |
| replace() | Returns a string where a specified value is replaced with a specified value |
| rfind() | Searches the string for a specified value and returns the last position of where it was found |
| rindex() | Searches the string for a specified value and returns the last position of where it was found |
| rjust() | Returns a right justified version of the string |
| rpartition() | Returns a tuple where the string is parted into three parts |
| rsplit() | Splits the string at the specified separator, and returns a list |
| rstrip() | Returns a right trim version of the string |
| split() | Splits the string at the specified separator, and returns a list |
| splitlines() | Splits the string at line breaks and returns a list |
| startswith() | Returns true if the string starts with the specified value |
| strip() | Returns a trimmed version of the string |
| swapcase() | Swaps cases, lower case becomes upper case and vice versa |
| title() | Converts the first character of each word to upper case |
| translate() | Returns a translated string |
| upper() | Converts a string into upper case |
| zfill() | Fills the string with a specified number of 0 values at the beginning |
Python String capitalize() Method
Example
Upper case the first letter in this sentence:
txt = "hello, and welcome to my world."
x = txt.capitalize()
print (x)Definition and Usage
The capitalize() method returns a string where the first character is upper case, and the rest is lower case.
Syntax
string.capitalize()Parameter Values
No parameters
More Examples
Example
The first character is converted to upper case, and the rest are converted to lower case:
txt = "python is FUN!"
x = txt.capitalize()
print (x)Example
See what happens if the first character is a number:
txt = "36 is my age."
x = txt.capitalize()
print (x)Python String casefold() Method
Example
Make the string lower case:
txt = "Hello, And Welcome To My World!"
x = txt.casefold()
print(x)Definition and Usage
The casefold() method returns a string where all the characters are lower case.
This method is similar to the lower() method, but the casefold() method is stronger, more aggressive, meaning that it will convert more characters into lower case, and will find more matches when comparing two strings and both are converted using the casefold() method.
Syntax
string.casefold()Parameter Values
No parameters
Python String center() Method
Example
Print the word "banana", taking up the space of 20 characters, with "banana" in the middle:
txt = "banana"
x = txt.center(20)
print(x)Definition and Usage
The center() method will center align the string, using a specified character (space is default) as the fill character.
Syntax
string.center(length, character)Parameter Values
| Parameter | Description |
|---|---|
| length | Required. The length of the returned string |
| character | Optional. The character to fill the missing space on each side. Default is " " (space) |
More Examples
Example
Using the letter "O" as the padding character:
txt = "banana"
x = txt.center(20, "O")
print(x)Python String count() Method
Example
Return the number of times the value "apple" appears in the string:
txt = "I love apples, apple are my favorite fruit"
x = txt.count("apple")
print(x)Definition and Usage
The count() method returns the number of times a specified value appears in the string.
Syntax
string.count(value, start, end)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. A String. The string to value to search for |
| start | Optional. An Integer. The position to start the search. Default is 0 |
| end | Optional. An Integer. The position to end the search. Default is the end of the string |
More Examples
Example
Search from position 10 to 24:
txt = "I love apples, apple are my favorite fruit"
x = txt.count("apple", 10, 24)
print(xPython String encode() Method
Example
UTF-8 encode the string:
txt = "My name is Ståle"
x = txt.encode()
print(x)Definition and Usage
The encode() method encodes the string, using the specified encoding. If no encoding is specified, UTF-8 will be used.
Syntax
string.encode(encoding=encoding, errors=errors)Parameter Values
| Parameter | Description | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| encoding | Optional. A String specifying the encoding to use. Default is UTF-8 | ||||||||||||
| errors | Optional. A String specifying the error method. Legal values are:
|
More Examples
Example
These examples uses ascii encoding, and a character that cannot be encoded, showing the result with different errors:
txt = "My name is Ståle"
print(txt.encode(encoding="ascii",errors="backslashreplace"))
print(txt.encode(encoding="ascii",errors="ignore"))
print(txt.encode(encoding="ascii",errors="namereplace"))
print(txt.encode(encoding="ascii",errors="replace"))
print(txt.encode(encoding="ascii",errors="xmlcharrefreplace"))Python String endswith() Method
Example
Check if the string ends with a punctuation sign (.):
txt = "Hello, welcome to my world."
x = txt.endswith(".")
print(x)Definition and Usage
The endswith() method returns True if the string ends with the specified value, otherwise False.
Syntax
string.endswith(value, start, end)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The value to check if the string ends with |
| start | Optional. An Integer specifying at which position to start the search |
| end | Optional. An Integer specifying at which position to end the search |
More Examples
Example
Check if the string ends with the phrase "my world.":
txt = "Hello, welcome to my world."
x = txt.endswith("my world.")
print(x)Example
Check if position 5 to 11 ends with the phrase "my world.":
txt = "Hello, welcome to my world."
x = txt.endswith("my world.", 5, 11)
print(x)Python String expandtabs() Method
Example
Set the tab size to 2 whitespaces:
txt = "H\te\tl\tl\to"
x = txt.expandtabs(2)
print(x)Definition and Usage
The expandtabs() method sets the tab size to the specified number of whitespaces.
Syntax
string.expandtabs(tabsize)Parameter Values
| Parameter | Description |
|---|---|
| tabsize | Optional. A number specifying the tabsize. Default tabsize is 8 |
More Examples
Example
See the result using different tab sizes:
txt = "H\te\tl\tl\to"
print(txt)
print(txt.expandtabs())
print(txt.expandtabs(2))
print(txt.expandtabs(4))
print(txt.expandtabs(10))Python String find() Method
Example
Where in the text is the word "welcome"?:
txt = "Hello, welcome to my world."
x = txt.find("welcome")
print(x)Definition and Usage
The find() method finds the first occurrence of the specified value.
The find() method returns -1 if the value is not found.
The find() method is almost the same as the index() method, the only difference is that the index() method raises an exception if the value is not found. (See example below)
Syntax
string.find(value, start, end)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The value to search for |
| start | Optional. Where to start the search. Default is 0 |
| end | Optional. Where to end the search. Default is to the end of the string |
More Examples
Example
Where in the text is the first occurrence of the letter "e"?:
txt = "Hello, welcome to my world."
x = txt.find("e")
print(x)Example
Where in the text is the first occurrence of the letter "e" when you only search between position 5 and 10?:
txt = "Hello, welcome to my world."
x = txt.find("e", 5, 10)
print(x)Example
If the value is not found, the find() method returns -1, but the index() method will raise an exception:
txt = "Hello, welcome to my world."
print(txt.find("q"))
print(txt.index("q"))Python String format() Method
Example
Insert the price inside the placeholder, the price should be in fixed point, two-decimal format:
txt = "For only {price:.2f} dollars!"
print(txt.format(price = 49))Definition and Usage
The format() method formats the specified value(s) and insert them inside the string's placeholder.
The placeholder is defined using curly brackets: {}. Read more about the placeholders in the Placeholder section below.
The format() method returns the formatted string.
Syntax
string.format(value1, value2...)Parameter Values
| Parameter | Description |
|---|---|
| value1, value2... | Required. One or more values that should be formatted and inserted in the string. The values are either a list of values separated by commas, a key=value list, or a combination of both. The values can be of any data type. |
The Placeholders
The placeholders can be identified using named indexes {price}, numbered indexes {0}, or even empty placeholders {}.
Example
Using different placeholder values:
txt1 = "My name is {fname}, I'm {age}".format(fname = "John", age = 36)
txt2 = "My name is {0}, I'm {1}".format("John",36)
txt3 = "My name is {}, I'm {}".format("John",36)Formatting Types
Inside the placeholders you can add a formatting type to format the result:
:< | Left aligns the result (within the available space) | |
:> | Right aligns the result (within the available space) | |
:^ | Center aligns the result (within the available space) | |
:= | Places the sign to the left most position | |
:+ | Use a plus sign to indicate if the result is positive or negative | |
:- | Use a minus sign for negative values only | |
: | Use a space to insert an extra space before positive numbers (and a minus sign before negative numbers) | |
:, | Use a comma as a thousand separator | |
:_ | Use a underscore as a thousand separator | |
:b | Binary format | |
:c | Converts the value into the corresponding unicode character | |
:d | Decimal format | |
:e | Scientific format, with a lower case e | |
:E | Scientific format, with an upper case E | |
:f | Fix point number format | |
:F | Fix point number format, in uppercase format (show inf and nan as INF and NAN) | |
:g | General format | |
:G | General format (using a upper case E for scientific notations) | |
:o | Octal format | |
:x | Hex format, lower case | |
:X | Hex format, upper case | |
:n | Number format | |
:% | Percentage format |
Python String index() Method
Example
Where in the text is the word "welcome"?:
txt = "Hello, welcome to my world."
x = txt.index("welcome")
print(x)Definition and Usage
The index() method finds the first occurrence of the specified value.
The index() method raises an exception if the value is not found.
The index() method is almost the same as the find() method, the only difference is that the find() method returns -1 if the value is not found. (See example below)
Syntax
string.index(value, start, end)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The value to search for |
| start | Optional. Where to start the search. Default is 0 |
| end | Optional. Where to end the search. Default is to the end of the string |
More Examples
Example
Where in the text is the first occurrence of the letter "e"?:
txt = "Hello, welcome to my world."
x = txt.index("e")
print(x)Example
Where in the text is the first occurrence of the letter "e" when you only search between position 5 and 10?:
txt = "Hello, welcome to my world."
x = txt.index("e", 5, 10)
print(x)Example
If the value is not found, the find() method returns -1, but the index() method will raise an exception:
txt = "Hello, welcome to my world."
print(txt.find("q"))
print(txt.index("q"))Python String isalnum() Method
Example
Check if all the characters in the text are alphanumeric:
txt = "Company12"
x = txt.isalnum()
print(x)Definition and Usage
The isalnum() method returns True if all the characters are alphanumeric, meaning alphabet letter (a-z) and numbers (0-9).
Example of characters that are not alphanumeric: (space)!#%&? etc.
Syntax
string.isalnum()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the text is alphanumeric:
txt = "Company 12"
x = txt.isalnum()
print(x)Python String isalpha() Method
Example
Check if all the characters in the text are letters:
txt = "CompanyX"
x = txt.isalpha()
print(x)Definition and Usage
The isalpha() method returns True if all the characters are alphabet letters (a-z).
Example of characters that are not alphabet letters: (space)!#%&? etc.
Syntax
string.isalpha()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the text is alphabetic:
txt = "Company10"
x = txt.isalpha()
print(x)Python String isascii() Method
Example
Check if all the characters in the text are ascii characters:
txt = "Company123"
x = txt.isascii()
print(x)Definition and Usage
The isascii() method returns True if all the characters are ascii characters (a-z).
Syntax
string.isascii()Parameter Values
No parameters.
Python String isdecimal() Method
Example
Check if all the characters in the unicode object are decimals:
txt = "\u0033" #unicode for 3
x = txt.isdecimal()
print(x)Definition and Usage
The isdecimal() method returns True if all the characters are decimals (0-9).
This method is used on unicode objects.
Syntax
string.isdecimal()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the unicode are decimals:
a = "\u0030" #unicode for 0
b = "\u0047" #unicode for G
print(a.isdecimal())
print(b.isdecimal())Python String isdigit() Method
Example
Check if all the characters in the text are digits:
txt = "50800"
x = txt.isdigit()
print(x)Definition and Usage
The isdigit() method returns True if all the characters are digits, otherwise False.
Exponents, like ², are also considered to be a digit.
Syntax
string.isdigit()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the text are digits:
a = "\u0030" #unicode for 0
b = "\u00B2" #unicode for ²
print(a.isdigit())
print(b.isdigit())Python String isidentifier() Method
Example
Check if the string is a valid identifier:
txt = "Demo"
x = txt.isidentifier()
print(x)Definition and Usage
The isidentifier() method returns True if the string is a valid identifier, otherwise False.
A string is considered a valid identifier if it only contains alphanumeric letters (a-z) and (0-9), or underscores (_). A valid identifier cannot start with a number, or contain any spaces.
Syntax
string.isidentifier()Parameter Values
No parameters.
More Examples
Example
Check if the strings are valid identifiers:
a = "MyFolder"
b = "Demo002"
c = "2bring"
d = "my demo"
print(a.isidentifier())
print(b.isidentifier())
print(c.isidentifier())
print(d.isidentifier())Python String islower() Method
Example
Check if all the characters in the text are in lower case:
txt = "hello world!"
x = txt.islower()
print(x)Definition and Usage
The islower() method returns True if all the characters are in lower case, otherwise False.
Numbers, symbols and spaces are not checked, only alphabet characters.
Syntax
string.islower()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the texts are in lower case:
a = "Hello world!"
b = "hello 123"
c = "mynameisPeter"
print(a.islower())
print(b.islower())
print(c.islower())Python String isnumeric() Method
Example
Check if all the characters in the text are numeric:
txt = "565543"
x = txt.isnumeric()
print(x)Definition and Usage
The isnumeric() method returns True if all the characters are numeric (0-9), otherwise False.
Exponents, like ² and ¾ are also considered to be numeric values.
"-1" and "1.5" are NOT considered numeric values, because all the characters in the string must be numeric, and the - and the . are not.
Syntax
string.isnumeric()Parameter Values
No parameters.
More Examples
Example
Check if the characters are numeric:
a = "\u0030" #unicode for 0
b = "\u00B2" #unicode for ²
c = "10km2"
d = "-1"
e = "1.5"
print(a.isnumeric())
print(b.isnumeric())
print(c.isnumeric())
print(d.isnumeric())
print(e.isnumeric())Python String isprintable() Method
Example
Check if all the characters in the text are printable:
txt = "Hello! Are you #1?"
x = txt.isprintable()
print(x)Definition and Usage
The isprintable() method returns True if all the characters are printable, otherwise False.
Example of none printable character can be carriage return and line feed.
Syntax
string.isprintable()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the text are printable:
txt = "Hello!\nAre you #1?"
x = txt.isprintable()
print(x)Python String isspace() Method
Example
Check if all the characters in the text are whitespaces:
txt = " "
x = txt.isspace()
print(x)Definition and Usage
The isspace() method returns True if all the characters in a string are whitespaces, otherwise False.
Syntax
string.isspace()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the text are whitespaces:
txt = " s "
x = txt.isspace()
print(x)Python String istitle() Method
Example
Check if each word start with an upper case letter:
txt = "Hello, And Welcome To My World!"
x = txt.istitle()
print(x)Definition and Usage
The istitle() method returns True if all words in a text start with a upper case letter, AND the rest of the word are lower case letters, otherwise False.
Symbols and numbers are ignored.
Syntax
string.istitle()Parameter Values
No parameters.
More Examples
Example
Check if each word start with an upper case letter:
a = "HELLO, AND WELCOME TO MY WORLD"
b = "Hello"
c = "22 Names"
d = "This Is %'!?"
print(a.istitle())
print(b.istitle())
print(c.istitle())
print(d.istitle())Python String isupper() Method
Example
Check if all the characters in the text are in upper case:
txt = "THIS IS NOW!"
x = txt.isupper()
print(x)Definition and Usage
The isupper() method returns True if all the characters are in upper case, otherwise False.
Numbers, symbols and spaces are not checked, only alphabet characters.
Syntax
string.isupper()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the texts are in upper case:
a = "Hello World!"
b = "hello 123"
c = "MY NAME IS PETER"
print(a.isupper())
print(b.isupper())
print(c.isupper())Python String join() Method
Example
Join all items in a tuple into a string, using a hash character as separator:
myTuple = ("John", "Peter", "Vicky")
x = "#".join(myTuple)
print(x)Definition and Usage
The join() method takes all items in an iterable and joins them into one string.
A string must be specified as the separator.
Syntax
string.join(iterable)Parameter Values
| Parameter | Description |
|---|---|
| iterable | Required. Any iterable object where all the returned values are strings |
More Examples
Example
Join all items in a dictionary into a string, using the word "TEST" as separator:
myDict = {"name": "John", "country": "Norway"}
mySeparator = "TEST"
x = mySeparator.join(myDict)
print(x)Python String ljust() Method
Example
Return a 20 characters long, left justified version of the word "banana":
txt = "banana"
x = txt.ljust(20)
print(x, "is my favorite fruit.")Note: In the result, there are actually 14 whitespaces to the right of the word banana.
Definition and Usage
The ljust() method will left align the string, using a specified character (space is default) as the fill character.
Syntax
string.ljust(length, character)Parameter Values
| Parameter | Description |
|---|---|
| length | Required. The length of the returned string |
| character | Optional. A character to fill the missing space (to the right of the string). Default is " " (space). |
More Examples
Example
Using the letter "O" as the padding character:
txt = "banana"
x = txt.ljust(20, "O")
print(x)Python String lower() Method
Example
Lower case the string:
txt = "Hello my FRIENDS"
x = txt.lower()
print(x)Definition and Usage
The lower() method returns a string where all characters are lower case.
Symbols and Numbers are ignored.
Syntax
string.lower()Parameter Values
No parameters
Python String lstrip() Method
Example
Remove spaces to the left of the string:
txt = " banana "
x = txt.lstrip()
print("of all fruits", x, "is my favorite")Definition and Usage
The lstrip() method removes any leading characters (space is the default leading character to remove)
Syntax
string.lstrip(characters)Parameter Values
| Parameter | Description |
|---|---|
| characters | Optional. A set of characters to remove as leading characters |
More Examples
Example
Remove the leading characters:
txt = ",,,,,ssaaww.....banana"
x = txt.lstrip(",.asw")
print(x)Python String maketrans() Method
Example
Create a mapping table, and use it in the translate() method to replace any "S" characters with a "P" character:
txt = "Hello Sam!"
mytable = txt.maketrans("S", "P")
print(txt.translate(mytable))Definition and Usage
The maketrans() method returns a mapping table that can be used with the translate() method to replace specified characters.
Syntax
string.maketrans(x, y, z)Parameter Values
| Parameter | Description |
|---|---|
| x | Required. If only one parameter is specified, this has to be a dictionary describing how to perform the replace. If two or more parameters are specified, this parameter has to be a string specifying the characters you want to replace. |
| y | Optional. A string with the same length as parameter x. Each character in the first parameter will be replaced with the corresponding character in this string. |
| z | Optional. A string describing which characters to remove from the original string. |
More Examples
Example
Use a mapping table to replace many characters:
txt = "Hi Sam!"
x = "mSa"
y = "eJo"
mytable = txt.maketrans(x, y)
print(txt.translate(mytable))Example
The third parameter in the mapping table describes characters that you want to remove from the string:
txt = "Good night Sam!"
x = "mSa"
y = "eJo"
z = "odnght"
mytable = txt.maketrans(x, y, z)
print(txt.translate(mytable))Example
The maketrans() method itself returns a dictionary describing each replacement, in unicode:
txt = "Good night Sam!"
x = "mSa"
y = "eJo"
z = "odnght"
print(txt.maketrans(x, y, z))Python String partition() Method
Example
Search for the word "bananas", and return a tuple with three elements:
1 - everything before the "match"
2 - the "match"
3 - everything after the "match"
txt = "I could eat bananas all day"
x = txt.partition("bananas")
print(x)Definition and Usage
The partition() method searches for a specified string, and splits the string into a tuple containing three elements.
The first element contains the part before the specified string.
The second element contains the specified string.
The third element contains the part after the string.
Note: This method searches for the first occurrence of the specified string.
Syntax
string.partition(value)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The string to search for |
More Examples
Example
If the specified value is not found, the partition() method returns a tuple containing: 1 - the whole string, 2 - an empty string, 3 - an empty string:
txt = "I could eat bananas all day"
x = txt.partition("apples")
print(x)Python String replace() Method
Example
Replace the word "bananas":
txt = "I like bananas"
x = txt.replace("bananas", "apples")
print(x)Definition and Usage
The replace() method replaces a specified phrase with another specified phrase.
Note: All occurrences of the specified phrase will be replaced, if nothing else is specified.
Syntax
string.replace(oldvalue, newvalue, count)Parameter Values
| Parameter | Description |
|---|---|
| oldvalue | Required. The string to search for |
| newvalue | Required. The string to replace the old value with |
| count | Optional. A number specifying how many occurrences of the old value you want to replace. Default is all occurrences |
More Examples
Example
Replace all occurrence of the word "one":
txt = "one one was a race horse, two two was one too."
x = txt.replace("one", "three")
print(x)Example
Replace the two first occurrence of the word "one":
txt = "one one was a race horse, two two was one too."
x = txt.replace("one", "three", 2)
print(x)Python String rfind() Method
Example
Where in the text is the last occurrence of the string "casa"?:
txt = "Mi casa, su casa."
x = txt.rfind("casa")
print(x)Definition and Usage
The rfind() method finds the last occurrence of the specified value.
The rfind() method returns -1 if the value is not found.
The rfind() method is almost the same as the rindex() method. See example below.
Syntax
string.rfind(value, start, end)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The value to search for |
| start | Optional. Where to start the search. Default is 0 |
| end | Optional. Where to end the search. Default is to the end of the string |
More Examples
Example
Where in the text is the last occurrence of the letter "e"?:
txt = "Hello, welcome to my world."
x = txt.rfind("e")
print(x)Example
Where in the text is the last occurrence of the letter "e" when you only search between position 5 and 10?:
txt = "Hello, welcome to my world."
x = txt.rfind("e", 5, 10)
print(x)Example
If the value is not found, the rfind() method returns -1, but the rindex() method will raise an exception:
txt = "Hello, welcome to my world."
print(txt.rfind("q"))
print(txt.rindex("q"))Python String rindex() Method
Example
Where in the text is the last occurrence of the string "casa"?:
txt = "Mi casa, su casa."
x = txt.rindex("casa")
print(x)Definition and Usage
The rindex() method finds the last occurrence of the specified value.
The rindex() method raises an exception if the value is not found.
The rindex() method is almost the same as the rfind() method. See example below.
Syntax
string.rindex(value, start, end)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The value to search for |
| start | Optional. Where to start the search. Default is 0 |
| end | Optional. Where to end the search. Default is to the end of the string |
More Examples
Example
Where in the text is the last occurrence of the letter "e"?:
txt = "Hello, welcome to my world."
x = txt.rindex("e")
print(x)Example
Where in the text is the last occurrence of the letter "e" when you only search between position 5 and 10?:
txt = "Hello, welcome to my world."
x = txt.rindex("e", 5, 10)
print(x)Example
If the value is not found, the rfind() method returns -1, but the rindex() method will raise an exception:
txt = "Hello, welcome to my world."
print(txt.rfind("q"))
print(txt.rindex("q"))Python String rjust() Method
Example
Return a 20 characters long, right justified version of the word "banana":
txt = "banana"
x = txt.rjust(20)
print(x, "is my favorite fruit.")Note: In the result, there are actually 14 whitespaces to the left of the word banana.
Definition and Usage
The rjust() method will right align the string, using a specified character (space is default) as the fill character.
Syntax
string.rjust(length, character)Parameter Values
| Parameter | Description |
|---|---|
| length | Required. The length of the returned string |
| character | Optional. A character to fill the missing space (to the left of the string). Default is " " (space). |
More Examples
Example
Using the letter "O" as the padding character:
txt = "banana"
x = txt.rjust(20, "O")
print(x)Python String rpartition() Method
Example
Search for the last occurrence of the word "bananas", and return a tuple with three elements:
1 - everything before the "match"
2 - the "match"
3 - everything after the "match"
txt = "I could eat bananas all day, bananas are my favorite fruit"
x = txt.rpartition("bananas")
print(x)Definition and Usage
The rpartition() method searches for the last occurrence of a specified string, and splits the string into a tuple containing three elements.
The first element contains the part before the specified string.
The second element contains the specified string.
The third element contains the part after the string.
Syntax
string.rpartition(value)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The string to search for |
More Examples
Example
If the specified value is not found, the rpartition() method returns a tuple containing: 1 - an empty string, 2 - an empty string, 3 - the whole string:
txt = "I could eat bananas all day, bananas are my favorite fruit"
x = txt.rpartition("apples")
print(x)Python String rsplit() Method
Example
Split a string into a list, using comma, followed by a space (, ) as the separator:
txt = "apple, banana, cherry"
x = txt.rsplit(", ")
print(x)Definition and Usage
The rsplit() method splits a string into a list, starting from the right.
If no "max" is specified, this method will return the same as the split() method.
Note: When maxsplit is specified, the list will contain the specified number of elements plus one.
Syntax
string.rsplit(separator, maxsplit)Parameter Values
| Parameter | Description |
|---|---|
| separator | Optional. Specifies the separator to use when splitting the string. By default any whitespace is a separator |
| maxsplit | Optional. Specifies how many splits to do. Default value is -1, which is "all occurrences" |
More Examples
Example
Split the string into a list with maximum 2 items:
txt = "apple, banana, cherry"
# setting the maxsplit parameter to 1, will return a list with 2 elements!
x = txt.rsplit(", ", 1)
print(x)Python String rstrip() Method
Example
Remove any white spaces at the end of the string:
txt = " banana "
x = txt.rstrip()
print("of all fruits", x, "is my favorite")Definition and Usage
The rstrip() method removes any trailing characters (characters at the end a string), space is the default trailing character to remove.
Syntax
string.rstrip(characters)Parameter Values
| Parameter | Description |
|---|---|
| characters | Optional. A set of characters to remove as trailing characters |
More Examples
Example
Remove the trailing characters if they are commas, s, q, or w:
txt = "banana,,,,,ssqqqww....."
x = txt.rstrip(",.qsw")
print(x)Python String split() Method
Example
Split a string into a list where each word is a list item:
txt = "welcome to the jungle"
x = txt.split()
print(x)Definition and Usage
The split() method splits a string into a list.
You can specify the separator, default separator is any whitespace.
Note: When maxsplit is specified, the list will contain the specified number of elements plus one.
Syntax
string.split(separator, maxsplit)Parameter Values
| Parameter | Description |
|---|---|
| separator | Optional. Specifies the separator to use when splitting the string. By default any whitespace is a separator |
| maxsplit | Optional. Specifies how many splits to do. Default value is -1, which is "all occurrences" |
More Examples
Example
Split the string, using comma, followed by a space, as a separator:
txt = "hello, my name is Peter, I am 26 years old"
x = txt.split(", ")
print(x)Example
Use a hash character as a separator:
txt = "apple#banana#cherry#orange"
x = txt.split("#")
print(x)Example
Split the string into a list with max 2 items:
txt = "apple#banana#cherry#orange"
# setting the maxsplit parameter to 1, will return a list with 2 elements!
x = txt.split("#", 1)
print(x)Python String splitlines() Method
Example
Split a string into a list where each line is a list item:
txt = "Thank you for the music\nWelcome to the jungle"
x = txt.splitlines()
print(x)Definition and Usage
The splitlines() method splits a string into a list. The splitting is done at line breaks.
Syntax
string.splitlines(keeplinebreaks)Parameter Values
| Parameter | Description |
|---|---|
| keeplinebreaks | Optional. Specifies if the line breaks should be included (True), or not (False). Default value is False |
More Examples
Example
Split the string, but keep the line breaks:
txt = "Thank you for the music\nWelcome to the jungle"
x = txt.splitlines(True)
print(x)Python String startswith() Method
Example
Check if the string starts with "Hello":
txt = "Hello, welcome to my world."
x = txt.startswith("Hello")
print(x)Definition and Usage
The startswith() method returns True if the string starts with the specified value, otherwise False.
Syntax
string.startswith(value, start, end)Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The value to check if the string starts with |
| start | Optional. An Integer specifying at which position to start the search |
| end | Optional. An Integer specifying at which position to end the search |
More Examples
Example
Check if position 7 to 20 starts with the characters "wel":
txt = "Hello, welcome to my world."
x = txt.startswith("wel", 7, 20)
print(x)Python String strip() Method
Example
Remove spaces at the beginning and at the end of the string:
txt = " banana "
x = txt.strip()
print("of all fruits", x, "is my favorite")Definition and Usage
The strip() method removes any leading (spaces at the beginning) and trailing (spaces at the end) characters (space is the default leading character to remove)
Syntax
string.strip(characters)Parameter Values
| Parameter | Description |
|---|---|
| characters | Optional. A set of characters to remove as leading/trailing characters |
More Examples
Example
Remove the leading and trailing characters:
txt = ",,,,,rrttgg.....banana....rrr"
x = txt.strip(",.grt")
print(x)Python String swapcase() Method
Example
Make the lower case letters upper case and the upper case letters lower case:
txt = "Hello My Name Is PETER"
x = txt.swapcase()
print(x)Definition and Usage
The swapcase() method returns a string where all the upper case letters are lower case and vice versa.
Syntax
string.swapcase()Parameter Values
No parameters.
Python String title() Method
Example
Make the first letter in each word upper case:
txt = "Welcome to my world"
x = txt.title()
print(x)Definition and Usage
The title() method returns a string where the first character in every word is upper case. Like a header, or a title.
If the word contains a number or a symbol, the first letter after that will be converted to upper case.
Syntax
string.title()Parameter Values
No parameters.
More Examples
Example
Make the first letter in each word upper case:
txt = "Welcome to my 2nd world"
x = txt.title()
print(x)Example
Note that the first letter after a non-alphabet letter is converted into a upper case letter:
txt = "hello b2b2b2 and 3g3g3g"
x = txt.title()
print(x)Python String translate() Method
Example
Replace any "S" characters with a "P" character:
#use a dictionary with ascii codes to replace 83 (S) with 80 (P):
mydict = {83: 80}
txt = "Hello Sam!"
print(txt.translate(mydict))Definition and Usage
The translate() method returns a string where some specified characters are replaced with the character described in a dictionary, or in a mapping table.
Use the maketrans() method to create a mapping table.
If a character is not specified in the dictionary/table, the character will not be replaced.
If you use a dictionary, you must use ascii codes instead of characters.
Syntax
string.translate(table)Parameter Values
| Parameter | Description |
|---|---|
| table | Required. Either a dictionary, or a mapping table describing how to perform the replace |
More Examples
Example
Use a mapping table to replace "S" with "P":
txt = "Hello Sam!"
mytable = txt.maketrans("S", "P")
print(txt.translate(mytable))Example
Use a mapping table to replace many characters:
txt = "Hi Sam!"
x = "mSa"
y = "eJo"
mytable = txt.maketrans(x, y)
print(txt.translate(mytable))Example
The third parameter in the mapping table describes characters that you want to remove from the string:
txt = "Good night Sam!"
x = "mSa"
y = "eJo"
z = "odnght"
mytable = txt.maketrans(x, y, z)
print(txt.translate(mytable))Example
The same example as above, but using a dictionary instead of a mapping table:
txt = "Good night Sam!"
mydict = {109: 101, 83: 74, 97: 111, 111: None, 100: None, 110: None, 103: None, 104: None, 116: None}
print(txt.translate(mydict))Python String upper() Method
Example
Upper case the string:
txt = "Hello my friends"
x = txt.upper()
print(x)Definition and Usage
The upper() method returns a string where all characters are in upper case.
Symbols and Numbers are ignored.
Syntax
string.upper()Parameter Values
No parameters
Python String zfill() Method
Example
Fill the string with zeros until it is 10 characters long:
txt = "50"
x = txt.zfill(10)
print(x)Definition and Usage
The zfill() method adds zeros (0) at the beginning of the string, until it reaches the specified length.
If the value of the len parameter is less than the length of the string, no filling is done.
Syntax
string.zfill(len)Parameter Values
| Parameter | Description |
|---|---|
| len | Required. A number specifying the desired length of the string |
More Examples
Example
Fill the strings with zeros until they are 10 characters long:
a = "hello"
b = "welcome to the jungle"
c = "10.000"
print(a.zfill(10))
print(b.zfill(10))
print(c.zfill(10))#python #programming #developer
1614329473
Fix: G Suite not Working | G Suite Email not Working | Google Business
G Suite is one of the Google products, developed form of Google Apps. It is a single platform to hold cloud computing, collaboration tools, productivity, software, and products. While using it, many a time, it’s not working, and users have a question– How to fix G Suite not working on iPhone? It can be resolved easily by restarting the device, and if unable to do so, you can reach our specialists whenever you want.
For more details: https://contactforhelp.com/blog/how-to-fix-the-g-suite-email-not-working-issue/
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1607930471
Xfinity Stream Not Working?
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1650955613
Python String Tutorial | Python String isdecimal() Method
Example
Check if all the characters in the unicode object are decimals:
txt = "\u0033" #unicode for 3
x = txt.isdecimal()
print(x)Definition and Usage
The isdecimal() method returns True if all the characters are decimals (0-9).
This method is used on unicode objects.
Syntax
string.isdecimal()Parameter Values
No parameters.
More Examples
Example
Check if all the characters in the unicode are decimals:
a = "\u0030" #unicode for 0
b = "\u0047" #unicode for G
print(a.isdecimal())
print(b.isdecimal())#python #programming #developer
1616058467
Resolve Xfinity Comcast Email not Working | +1-888-857-5157 | How to
Comcast is one of the email service providers and you can log-in by using credentials such as username and password. However, while using it, many users face Comcast email, not working problems. Here we discussed How To Resolve Xfinity Comcast Email Not Working Problems easily by going through the steps. This article helps you to get rid of several issues associated with Xfinity Comcast Email Not Working Issues.
Many of them might be first-time users of Comcast. While you have created an account, you may not know the procedure for sign-in but while log-in some users face the issue and unable to get into your account. The log-in procedure to the account is very simple and easy to follow. Let’s start with the procedure to follow the below steps.
**Steps To Resolve Xfinity Comcast Email Login Problem
**
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