Re: Regular expressions
| From: | Richard Lynch | Date: | Mon, 16 Oct 2006 20:15:28 +0000 |
| Subject: | Re: Regular expressions | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-243219@lists.php.net to get a copy of this message | ||
On Mon, October 16, 2006 2:54 pm, Chrome wrote:
> *edit* sorry I didn't think and just hit reply on this instead of
> reply
> all... sorry Richard */edit*
>
> [snip]
> .*? is kinda silly -- .* mean "0 or more characters", and ? means
> "maybe"
> but putting them together has no added value, so lose the ?
> [/snip]
>
> I could be wrong (and under the considerable knowledge of Richard I
> certainly feel it :) ) but doesn't the ? after a quantifier signify
> that
> preceding pattern is to be taken as ungreedy?
You're right; I'm wrong.
I'm not PCRE expert.
Took me 20 years to be able to stumble through the simplest expressions.
? means "maybe" in some other place in PCRE. Or maybe that's POSIX.
Never have figured that one out.
--
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