Here’s a few links for commonly used REGEXs..
10+ Useful JavaScript Regular Expression Functions to improve your web applications efficiency
[javascript]// check that an input string looks like a valid email address.
var isEmail_re = /^\s*[\w\-\+_]+(\.[\w\-\+_]+)*\@[\w\-\+_]+\.[\w\-\+_]+(\.[\w\-\+_]+)*\s*$/;
function isEmail (s) {
return String(s).search (isEmail_re) != -1;
}[/javascript]
[javascript]// returns a string with everything but the digits removed. Could be used to validate phone numbers, etc.
function getdigits (s) {
return s.replace (/[^\d]/g, “”);
}
[/javascript]