[snip] ? means "maybe" in some other place in PCRE. Or maybe that's POSIX. Never have figured that one out. [/snip] ? directly after an expression is equivalent to {0,1} (maybe) but after a quantifier (*, +, {}) means ungreedy I'm sure I'll be corrected if I'm wrong :) Dan -- http://chrome.me.uk -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php