From:             drew at corrupt dot co dot nz
Operating system: FreeBSD 4.9
PHP version:      4.3.5
PHP Bug Type:     PCRE related
Bug description:  preg_match cant match ?

Description:
------------
I am trying to match a question mark in PHP using preg_match() with the
following attempt's described in the code section.



Neither work, while following documentation examples.

Reproduce code:
---------------
// String:

$line = "This is pretty much a
[url=\"http://www.wiki.org/?WhatIsAWIki\"]Wiki[/url] but with a twist of
[BBCode] and a few other site specific [Hacks]";



// Attempt #1:

preg_match_all("/\[(\/?[\w\d\-\_]+(=\"[\w\d\S\s\?]+?\")?)\]/",$line,$parse);



print_r($parse);



// Attempt #2:

preg_match_all("/\[(\/?[\w\d\-\_]+(=\"[\w\d\S\s\\\?]+?\")?)\]/",$line,$parse);



print_r($parse);

Expected result:
----------------
I expected that the values



"url=http://www.wiki.org/?WhatIsAWIki"; and
"http://www.wiki.org/?WhatIsAWIki"; would be picked up from the regex into
$parse.



It works with the following PERL one liner:



perl -e '$string = "This is pretty much a
[url=\"http://www.wiki.org/?WhatIsAWIki\"]Wiki[/url] but with a twist of
[BBCode] and a few other site specific [Hacks]"; @match = $string =~
m/\[(\/?[\w\d\-\_]+(=\"[\w\d\S\s\?]+?\")?)\]/; print "Match: " .
join(",",@match) . "\n"'



Match:
url="http://www.wiki.org/?WhatIsAWIki",="http://www.wiki.org/?WhatIsAWIki";

Actual result:
--------------
Matches nothing.

-- 
Edit bug report at http://bugs.php.net/?id=27949&edit=1
-- 
Try a CVS snapshot (php4):  http://bugs.php.net/fix.php?id=27949&r=trysnapshot4
Try a CVS snapshot (php5):  http://bugs.php.net/fix.php?id=27949&r=trysnapshot5
Fixed in CVS:               http://bugs.php.net/fix.php?id=27949&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=27949&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=27949&r=needtrace
Need Reproduce Script:      http://bugs.php.net/fix.php?id=27949&r=needscript
Try newer version:          http://bugs.php.net/fix.php?id=27949&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=27949&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=27949&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=27949&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=27949&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=27949&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=27949&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=27949&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=27949&r=isapi
Install GNU Sed:            http://bugs.php.net/fix.php?id=27949&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=27949&r=float

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