Re: Regular expressions
| From: | Curt Zirzow | Date: | Mon, 16 Oct 2006 21:01:17 +0000 |
| Subject: | Re: Regular expressions | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-243224@lists.php.net to get a copy of this message | ||
On 10/16/06, Chrome <admin@chrome.me.uk> wrote:
[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 ungreedyI kind of talked about this in the reply to richard the .*? is exactly the same as doing .*(?U) an inline modifier to the previous expression. That makes me wonder.. according to the docs U inverts greediness, if you have... /foo.*?bar/U does that make .*? a greedy .* Curt.