Re: [PHP] preg_match_all question
On Fri, 2009-01-16 at 09:42 +, Phil Ewington - iModel Ltd. wrote:
Hi All,
Having an issue with regular expressions, never been my strong point!
The following pattern only picks up one instance per line, if more than
one instance exists all text from first {{ to last }} is included, can
anyone point out where I am going wrong?
preg_match_all(/\{\{lang:(.*)\}\}/, $str, $tags);
You need the ungreedy modifier:
preg_match_all(/\{\{lang:(.*)\}\}/U, $str, $tags);
Cheers,
Rob.
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Re: [PHP] preg_match_all question
Robert Cummings wrote:
On Fri, 2009-01-16 at 09:42 +, Phil Ewington - iModel Ltd. wrote:
Hi All,
Having an issue with regular expressions, never been my strong point!
The following pattern only picks up one instance per line, if more than
one instance exists all text from first {{ to last }} is included, can
anyone point out where I am going wrong?
preg_match_all(/\{\{lang:(.*)\}\}/, $str, $tags);
You need the ungreedy modifier:
preg_match_all(/\{\{lang:(.*)\}\}/U, $str, $tags);
Cheers,
Rob.
Rob you're a star, thanks mate.
- Phil
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RE: [PHP] preg_match_all question
-Original Message-
From: Robert Cummings [mailto:rob...@interjinn.com]
Sent: Friday, January 16, 2009 4:31 AM
To: Phil Ewington - iModel Ltd.
Cc: php-general@lists.php.net
Subject: Re: [PHP] preg_match_all question
On Fri, 2009-01-16 at 09:42 +, Phil Ewington - iModel Ltd. wrote:
Hi All,
Having an issue with regular expressions, never been my strong
point!
The following pattern only picks up one instance per line, if more
than
one instance exists all text from first {{ to last }} is included,
can
anyone point out where I am going wrong?
preg_match_all(/\{\{lang:(.*)\}\}/, $str, $tags);
You need the ungreedy modifier:
preg_match_all(/\{\{lang:(.*)\}\}/U, $str, $tags);
FWIW, you can tell just the .* to be un-greedy using a ? like so:
preg_match_all('/\{\{lang:(.*?)\|\|/', $str, $tags);
// Todd
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RE: [PHP] preg_match_all question
-Original Message-
From: Boyd, Todd M. [mailto:tmbo...@ccis.edu]
Sent: Friday, January 16, 2009 2:13 PM
To: php-general@lists.php.net
Subject: RE: [PHP] preg_match_all question
-Original Message-
From: Robert Cummings [mailto:rob...@interjinn.com]
Sent: Friday, January 16, 2009 4:31 AM
To: Phil Ewington - iModel Ltd.
Cc: php-general@lists.php.net
Subject: Re: [PHP] preg_match_all question
On Fri, 2009-01-16 at 09:42 +, Phil Ewington - iModel Ltd.
wrote:
Hi All,
Having an issue with regular expressions, never been my strong
point!
The following pattern only picks up one instance per line, if more
than
one instance exists all text from first {{ to last }} is included,
can
anyone point out where I am going wrong?
preg_match_all(/\{\{lang:(.*)\}\}/, $str, $tags);
You need the ungreedy modifier:
preg_match_all(/\{\{lang:(.*)\}\}/U, $str, $tags);
FWIW, you can tell just the .* to be un-greedy using a ? like so:
preg_match_all('/\{\{lang:(.*?)\|\|/', $str, $tags);
Correction:
preg_match_all('/\{\{lang:(.*?)\}\}/', $str, $tags);
...turned my squiggly brackets into pipe chars in a fit of randomness.
// Todd
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