- var alpha = /^[a-zA-Z_]+$/;
- var alphanum = /^[a-zA-Z0-9_]+$/;
- var email = /^(\w+)([-+.][\w]+)*@(\w[-\w]*\.){1,5}([A-Za-z]){2,4}$/;
- var url = /(((https?)|(ftp)):\/\/([\-\w]+\.)+\w{2,3}(\/[%\-\w]+(\.\w{2,})?)*(([\w\-\.\?\\\/+@&#;`~=%!]*)(\.\w{2,})?)*\/?)/i;
+ var alpha = /^[a-zA-Z_]+$/,
+ alphanum = /^[a-zA-Z0-9_]+$/,
+ email = /^(\w+)([\-+.][\w]+)*@(\w[\-\w]*\.){1,5}([A-Za-z]){2,6}$/,
+ url = /(((^https?)|(^ftp)):\/\/([\-\w]+\.)+\w{2,3}(\/[%\-\w]+(\.\w{2,})?)*(([\w\-\.\?\\\/+@&#;`~=%!]*)(\.\w{2,})?)*\/?)/i;