Register Log In

Forums Scripts & Popups isalnum

Print Thread

isalnum #224729 16/08/10 11:14 PM
Joined: Sep 2007 Posts: 202 F firefox OP Fjord artisan
OP firefox Fjord artisan F Joined: Sep 2007 Posts: 202	was hoping to use isalnum to quickly validate a url - i.e. url has letters and numbers in it but seems alnum doesn't accept punctuation how do I check if a %var has letters, numbers and punctuation it?

Re: isalnum firefox #224730 16/08/10 11:24 PM
Joined: Oct 2003 Posts: 3,641 Montreal, QC, Canada A argv0 Hoopy frood
argv0 Hoopy frood A Joined: Oct 2003 Posts: 3,641 Montreal, QC, Canada	A regex. Specifically /^[[:alpha:][:digit:][:punct:]]+$/ Of course that answers your question, but it's not a good way to validate a URL. URL's are not just made up of arbitrary alphanum and punctuation characters.

Re: isalnum firefox #224732 16/08/10 11:32 PM
Joined: Jul 2007 Posts: 1,124 United States T Tomao Hoopy frood
Tomao Hoopy frood T Joined: Jul 2007 Posts: 1,124 United States	Like argv0 said, regex is the best option: Code: var %d = com\|edu\|gov\|mil\|net\|org\|biz\|info\|name\|museum\|us\|ca\|uk var %url = /(?<=^\|\s)((?>\S{3,8}:\/\/\|w{3}\56)\S+)\|\56( $+ %d $+ )\b/iS if ($regex($1-,%url)) { ;do something

Re: isalnum Tomao #224737 17/08/10 03:41 AM
Joined: Sep 2007 Posts: 202 F firefox OP Fjord artisan
OP firefox Fjord artisan F Joined: Sep 2007 Posts: 202	well it is a specific set of url's for one site but yes I think regex would be better thanks for the suggestions

Link Copied to Clipboard