Posted by John Dunlop on 07/23/05 17:58

Tim Van Wassenhove wrote:

> #[^a-z0-9_]#

and #2 of the 100 ways to write that expression - probably
*the* most common in c.l.php - involves + optimi[sz]ation
(likely not appreciable though):

#[^a-z0-9_]+#i <- case-insensitive, mind

in at no. 3, the less explicit:

#[^[:alnum:]_]+# //no need for 'i'; can match non-US-ASCIIs

down at number 4, the shorter and even more implicit:

#\W+# //as with 2, can match non-US-ASCIIs, no need for 'i'

they're all different in their own inimitable ways.

--
Jock

[Back to original message]