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<?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 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: preg_match(): No ending matching delimiter ')' found in /in/LSGI4 on line 7
Output for 4.4.3 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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, 4.4.0 - 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 />

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251.77 ms | 401 KiB | 338 Q