MobileNumber Validation using javascript

Posted Date: 01 Oct 2008	Resource Type: Code Snippets	Category: Javascript
Author: ravi	Member Level: Gold
Rating:	Points: 5

This code shows how to validate a mobile number:


function ValidateMobileNumber(number)
{	
	MobileNumber=number.value
	var ErrorMsg;
	if (MobileNumber.length>10)
	{
		if(MobileNumber.length==12)
		{
			if(MobileNumber.substring(0,2)!="91")
			{
				ErrorMsg="Number should begin with 91";
			}
			else 
				ErrorMsg="";
		}
		else
		{
				ErrorMsg="Invalid Mobile Number ";
		}
	}
	else
		ErrorMsg="";
	browserName	= navigator.appName;
	if (browserName =="Microsoft Internet Explorer")
	{
		lblMsg.innerText=ErrorMsg;
	}
	else
	{
		lblMsg.textContent=ErrorMsg;
	}
	if (ErrorMsg.length>0)
		number.focus();
		
}

Responses

Author: Roopa Reddy 21 Nov 2008 Member Level: Bronze Points : 1

Ravi,

The code that you have written validates for 12 digit phone number that starts with 91. What if the user enters the input something like 9145456iiojj?

Author: Roopa Reddy 21 Nov 2008 Member Level: Bronze Points : 1

This will be useful for those looking for phone validation

http://www.smartwebby.com/DHTML/phone_no_validation.asp

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