Phone Number validation using javascript

Question

I have an application form in php.. I need to validate the phone number.. Please tel me how to validate a phone no. Here is the code..

$(function() {
        $("#XISubmit").click(function(){

var XIPhone= document.forms["XIForm"]["XIPhone"].value;
    if (XIPhone==null || XIPhone=="") { alert("Please Enter Office Phone No"); return false; }

document.getElementById("XIForm").submit();
        }); 


<div class="formItem">
            <label>Office Phone No</label>
            <input type="text" name="XIPhone" id="XIPhone" />
        </div>

    <div class="formItem">
            <input type="hidden" name="formType" id="formType" value="XI" />
            <input type="button" name="XISubmit" id="XISubmit" value="Submit"          class="formButton" />
        </div>

        </form>

    </div>

With some special format? You must write a phone number?.... Tell your cases. — Andynedine
– Andynedine, Commented Mar 12, 2014 at 8:13
possible duplicate of A comprehensive regex for phone number validation — Jukka K. Korpela
– Jukka K. Korpela, Commented Mar 12, 2014 at 9:40

Nishant Solanki · Accepted Answer · 2014-03-12 08:26:52Z

1

Here are some regular expression formats :

Phone Number (Format: +99(99)9999-9999) - [\+]\d{2}[\(]\d{2}[\)]\d{4}[\-]\d{4}  
UK Phone Number - ^\s*\(?(020[7,8]{1}\)?[ ]?[1-9]{1}[0-9{2}[ ]?[0-9]{4})|(0[1-8]{1}[0-9]{3}\)?[ ]?[1-9]{1}[0-9]{2}[ ]?[0-9]{3})\s*$  
USA Phone Number -  US based Phone Number in the format of: 123-456-7890 - \d{3}[\-]\d{3}[\-]\d{4}

edited Mar 12, 2014 at 8:26

Nishant Solanki

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answered Mar 12, 2014 at 8:20

Mishra Shreyanshu

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Comments

Sumeet Patil · Accepted Answer · 2014-03-12 08:15:23Z

0

var data = yourdata;
var re = /^\d{10}$/;    //user regular expression (this example is used to check 
                        // validation for 10 numbers or digits).
var a = data.match(re);
if(a == null)
{

   //show error message

}
else
{
   //no error
}

Use regular expression
Format of Phone numbers and landline numbers will change based on country

answered Mar 12, 2014 at 8:15

Sumeet Patil

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Comments

Andynedine · Accepted Answer · 2014-03-12 08:21:41Z

0

A simple case:

<script type="text/javascript">  
      var reg = /^\d{10}$/;  
      function PhoneValidation(phoneNumber)
      {  
        return reg.test(phoneNumber);
      }  
</script>

answered Mar 12, 2014 at 8:21

Andynedine

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Comments

ReeCube · Accepted Answer · 2014-03-12 08:36:05Z

0

Try this:

function checkForNumber(number, size) {
    var nbrString = '';
    for (var i = 0; i < number.length; i++) {
        var cc = number.charCodeAt(i);
        if (cc >= 48 && cc < 58) {
            nbrString += number[i];
        }
    }
    return nbrString.length === size;
}

Usage:

var paramA = "012 345 67 89";
var paramB = 10;
checkForNumber(paramA, paramB);

paramA: your number to check in string format

paramB: the size of the number digits (normally it's 10)

You can modify the return parameter in the 'checkForNumber' function to fit your needs.

Here is an example on JSFiddle.

answered Mar 12, 2014 at 8:36

ReeCube

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