[newbie] Can I use regular expressions?
| From: | zbynek | Date: | Sun, 11 Feb 2001 12:09:18 +0000 |
| Subject: | [newbie] Can I use regular expressions? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-39116@lists.php.net to get a copy of this message | ||
Hi there!
I want to check if given username consists only of letters of English
alphabet, numbers, or "_".
I can go through the string and check every character.
Wouldn't it be simpler to use regular expressions? How would I do it?
These usernames are OK: _john_, 0123bla, foo
These are wrong: x#y, t&boo, 100%
Thanks for your advice.
zbynek