| Expression |
((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)\:\/\/([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@){0,1}((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(:[0-9]{2,5}[^:]){0,1}(\/(\s+|$|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+)){0,1}) |
