field validation

Hi,
If I want to add a simple Perl field validation to check for numbers (phone no. field), it does not work.
Is my code wrong? Or do I have to go back to the php file?

(/^[0-9]+$/)

Thanks for your help

If I want to add a simple Perl field validation to check for numbers (phone no. field), it does not work.
Is my code wrong? Or do I have to go back to the php file?

(/^[0-9]+$/)

I believe your expression is incorrect. Try following this post .