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How to Validate Phone Number with Javascript

The validating phone number is an important point while validating an HTML form. In this page we have discussed how to validate a phone number (in different format) using JavaScript :

At first, we validate a phone number of 10 digits with no comma, no spaces, no punctuation and there will be no + sign in front the number. Simply the validation will remove all non-digits and permit only phone numbers with 10 digits. Here is the function.

function phonenumber(inputtxt)
{
  var phoneno = /^\d{10}$/;
  if((inputtxt.value.match(phoneno))
        {
      return true;
        }
      else
        {
        alert("message");
        return false;
        }
}

Flowchart:

Flowchart : JavaScript phone validation-1

To valid a phone number like
XXX-XXX-XXXX
XXX.XXX.XXXX
XXX XXX XXXX
use the following code.

function phonenumber(inputtxt)
{
  var phoneno = /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/;
  if((inputtxt.value.match(phoneno))
        {
      return true;
        }
      else
        {
        alert("message");
        return false;
        }
}

Flowchart:

Flowchart : JavaScript - phone validation-2

If you want to use a + sign before the number in the following way
+XX-XXXX-XXXX
+XX.XXXX.XXXX
+XX XXXX XXXX
use the following code.


function phonenumber(inputtxt)
{
  var phoneno = /^\+?([0-9]{2})\)?[-. ]?([0-9]{4})[-. ]?([0-9]{4})$/;
  if((inputtxt.value.match(phoneno))
        {
      return true;
        }
      else
        {
        alert("message");
        return false;
        }
}

Flowchart:

Flowchart : JavaScript - phone validation-3

Following code blocks contain actual codes for the said validations. We have kept the CSS code part common for all the validations.

CSS Code

 li {list-style-type: none;
font-size: 16pt;
}
.mail {
margin: auto;
padding-top: 10px;
padding-bottom: 10px;
width: 400px;
background : #D8F1F8;
border: 1px soild silver;
}
.mail h2 {
margin-left: 38px;
}
input {
font-size: 20pt;
}
input:focus, textarea:focus{
background-color: lightyellow;
}
input submit {
font-size: 12pt;
}
.rq {
color: #FF0000;
font-size: 10pt;
}

Validate a 10 digit phone number

At first we validate a phone number of 10 digit. For example 1234567890, 0999990011, 8888855555 etc.

HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JavaScript form validation - checking non-empty</title>
<link rel='stylesheet' href='form-style.css' type='text/css' />      
</head><body onload='document.form1.text1.focus()'>
<div class="mail">
<h2>Input an Phone No.[xxxxxxxxxx] and Submit</h2>
<form name="form1" action="#">
<ul>
<li><input type='text' name='text1'/></li>
<li>&nbsp;</li>
<li class="submit"><input type="submit" name="submit" value="Submit" onclick="phonenumber(document.form1.text1)"/></li>
<li>&nbsp;</li>
</ul>
</form>
</div>
<script src="phoneno-all-numeric-validation.js"></script>
</body>
</html>

JavaScript Code

function phonenumber(inputtxt)
{
  var phoneno = /^\d{10}$/;
  if(inputtxt.value.match(phoneno))
  {
      return true;
  }
  else
  {
     alert("Not a valid Phone Number");
     return false;
  }
  }

Flowchart:

Flowchart : JavaScript - phone validation 10 digit

Validate North American phone numbers

Now, let’s see how to validate a phone number, either in 222-055-9034, 321.789.4512 or 123 256 4587 formats.

HTML Code

<!DOCTYPE html><html lang="en"><head>
<meta charset="utf-8">
<title>JavaScript form validation - checking non-empty</title>
<link rel='stylesheet' href='form-style.css' type='text/css' />      
</head>
<body onload='document.form1.text1.focus()'>
<div class="mail">
<h2>Input an Phone No.[xxx-xxx-xxxx, xxx.xxx.xxxx, xxx xxx xxxx] and Submit</h2>
<form name="form1" action="#"> 
<ul>
<li><input type='text' name='text1'/></li>
<li>&nbsp;</li>
<li class="submit"><input type="submit" name="submit" value="Submit" onclick="phonenumber(document.form1.text1)"/></li>
<li>&nbsp;</li>
</ul>
</form>
</div>
<script src="phoneno-international-format.js"></script>
</body>
</html>

JavaScript Code

function phonenumber(inputtxt)
{
  var phoneno = /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/;
  if(inputtxt.value.match(phoneno))
     {
	   return true;      
	 }
   else
     {
	   alert("Not a valid Phone Number");
	   return false;
     }
}

Flowchart:

Flowchart : JavaScript - phone validation North America

Validate an international phone number with country code

Now, let’s see how to validate a phone number with country code, either in +24-0455-9034, +21.3789.4512 or +23 1256 4587 format.

HTML Code

<!DOCTYPE html><html lang="en"><head>
<meta charset="utf-8">
<title>JavaScript form validation - checking non-empty</title>
<link rel='stylesheet' href='form-style.css' type='text/css' />
</head>

<body onload='document.form1.text1.focus()'>
<div class="mail">
<h2>Input an Phone No.[+xx-xxxx-xxxx, +xx.xxxx.xxxx, +xx xxxx xxxx] and Submit</h2>
<form name="form1" action="#"> 
<ul>
<li><input type='text' name='text1'/></li>
<li>&nbsp;</li>
<li class="submit"><input type="submit" name="submit" value="Submit" onclick="phonenumber(document.form1.text1)"/></li>
<li>&nbsp;</li>
</ul>
</form>
</div>
<script src="phoneno-+international-format.js"></script>
</body>
</html>

JavaScript Code

function phonenumber(inputtxt)
{
  var phoneno = /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/;
  if(inputtxt.value.match(phoneno))
     {
	   return true;
	 }
   else
     {
	   alert("Not a valid Phone Number");
	   return false;
     }
}

Thank you for visiting and reading !

#Javascript #html #css #webdev

What is GEEK

Buddha Community

How to Validate Phone Number with Javascript

Error Code

1615984319

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Hertha  Mayer

Hertha Mayer

1594769515

How to validate mobile phone number in laravel with example

Data validation and sanitization is a very important thing from security point of view for a web application. We can not rely on user’s input. In this article i will let you know how to validate mobile phone number in laravel with some examples.

if we take some user’s information in our application, so usually we take phone number too. And if validation on the mobile number field is not done, a user can put anything in the mobile number field and without genuine phone number, this data would be useless.

Since we know that mobile number can not be an alpha numeric or any alphabates aand also it should be 10 digit number. So here in this examples we will add 10 digit number validation in laravel application.

We will aalso see the uses of regex in the validation of mobile number. So let’s do it with two different way in two examples.

Example 1:

In this first example we will write phone number validation in HomeController where we will processs user’s data.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\User;

class HomeController extends Controller
{
    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        return view('createUser');
    }

    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $request->validate([
                'name' => 'required',
                'phone' => 'required|digits:10',
                'email' => 'required|email|unique:users'
            ]);

        $input = $request->all();
        $user = User::create($input);

        return back()->with('success', 'User created successfully.');
    }
}

Example 2:

In this second example, we will use regex for user’s mobile phone number validation before storing user data in our database. Here, we will write the validation in Homecontroller like below.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\User;
use Validator;

class HomeController extends Controller
{
    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        return view('createUser');
    }

    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $request->validate([
                'name' => 'required',
                'phone' => 'required|regex:/^([0-9\s\-\+\(\)]*)$/|min:10',
                'email' => 'required|email|unique:users'
            ]);

        $input = $request->all();
        $user = User::create($input);

        return back()->with('success', 'User created successfully.');
    }
}

#laravel #laravel phone number validation #laravel phone validation #laravel validation example #mobile phone validation in laravel #phone validation with regex #validate mobile in laravel

How To Validate Phone Number Using Jquery Input Mask

In this small tutorial I will explain you how to validate phone number using jquery input mask, Using jquery input mask we can validate diffrent type of phone no with diffrent country code. Here, we are using jquery inputmask js for this example, so we can easily validate phone no.

This Article is Originally Published on Websolutionstuff : https://websolutionstuff.com/post/how-to-validate-phone-number-using-jquery-input-mask

<html>
<head>
    <title>jquery input mask phone number validation - websolutionstuff</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.inputmask/3.3.4/jquery.inputmask.bundle.min.js"></script>
</head>
<body>
  
<div class="container" style="border:1px solid red; padding: 0px 20px 20px 20px; margin-top: 20px;">
    <h1>jquery input mask phone number validation - websolutionstuff.com</h1>
  	<br>
    <strong>Phone Number:</strong>  
    <input type="text" name="phone" class="phone_number form-control" value="9876543210">
  	<br>
    <strong>Phone Number:</strong>  
    <input type="text" name="phone" class="phone_number_2 form-control" value="9876543210">
  	<br>
    <strong>Phone Number:</strong>  
    <input type="text" name="phone" class="phone_number_3 form-control" value="91 9876543210">
  
</div>
  
<script>
    $(document).ready(function(){
        $('.phone_number').inputmask('(999)-999-9999');
        $('.phone_number_2').inputmask('(99)-9999-9999');
        $('.phone_number_3').inputmask('+99-9999999999');
    });
</script>
  
</body>
</html>

In above code i have added inputmask in jquery for diffrent validation.

You can see output in below screen print.

How To Validate Phone Number Using Jquery Input Mask


Also Read : Google Map With Draggable Marker Example

#javascript #jquery #validation #phone #number #input-mask

robiul hasan

robiul hasan

1626095071

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What is JavaScript - Stackfindover - Blog

Who invented JavaScript, how it works, as we have given information about Programming language in our previous article ( What is PHP ), but today we will talk about what is JavaScript, why JavaScript is used The Answers to all such questions and much other information about JavaScript, you are going to get here today. Hope this information will work for you.

Who invented JavaScript?

JavaScript language was invented by Brendan Eich in 1995. JavaScript is inspired by Java Programming Language. The first name of JavaScript was Mocha which was named by Marc Andreessen, Marc Andreessen is the founder of Netscape and in the same year Mocha was renamed LiveScript, and later in December 1995, it was renamed JavaScript which is still in trend.

What is JavaScript?

JavaScript is a client-side scripting language used with HTML (Hypertext Markup Language). JavaScript is an Interpreted / Oriented language called JS in programming language JavaScript code can be run on any normal web browser. To run the code of JavaScript, we have to enable JavaScript of Web Browser. But some web browsers already have JavaScript enabled.

Today almost all websites are using it as web technology, mind is that there is maximum scope in JavaScript in the coming time, so if you want to become a programmer, then you can be very beneficial to learn JavaScript.

JavaScript Hello World Program

In JavaScript, ‘document.write‘ is used to represent a string on a browser.

<script type="text/javascript">
	document.write("Hello World!");
</script>

How to comment JavaScript code?

  • For single line comment in JavaScript we have to use // (double slashes)
  • For multiple line comments we have to use / * – – * /
<script type="text/javascript">

//single line comment

/* document.write("Hello"); */

</script>

Advantages and Disadvantages of JavaScript

#javascript #javascript code #javascript hello world #what is javascript #who invented javascript

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It is said that a digital resource a business has must be interactive in nature, so the website or the business app should be interactive. How do you make the app interactive? With the use of JavaScript.

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