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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 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: preg_match(): Unknown modifier '.' in /in/uQggu on line 7
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '.' in /in/uQggu on line 7

preferences:
268.88 ms | 401 KiB | 460 Q