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run code in 200+ php & hhvm versions
Bugs & Features
<?php $exception ='word1|word3|word3|word4' ; $regex = '(?!('.$exception.')((\W+)|$).+/?$'; $myword = 'a-unicode-statement-like-سلام' ; $m = preg_match($regex, $myword); print $m;
Output for 5.2.3 - 7.1.7
Warning: preg_match(): No ending matching delimiter ')' found in /in/LSGI4 on line 7
Output for 4.4.3 - 5.2.2
<br /> <b>Warning</b>: preg_match() [<a href='function.preg-match'>function.preg-match</a>]: No ending matching delimiter ')' found in <b>/in/LSGI4</b> on line <b>7</b><br />
Output for 4.3.11 - 4.4.2
<br /> <b>Warning</b>: preg_match(): No ending matching delimiter ')' found in <b>/in/LSGI4</b> on line <b>7</b><br />
Output for 4.3.0 - 4.3.10
<br /> <b>Warning</b>: No ending matching delimiter ')' found in <b>/in/LSGI4</b> on line <b>7</b><br />