title: Validate URL exactly
body: <p>i have strucked in validating URL to send to service in my code,can any one give me regular expression for validating URL that should start with <strong>http://</strong> and should ends with <strong>.com</strong> , <strong>.org</strong> ,<strong>.net</strong> ,<strong>.edu</strong> ,<strong>.in</strong> some other common endings in the url.i have searched many but i dint get accurately for this type regular expression.Please help me in this. Thanks in Advance.</p>