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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_match('/\b\pL{2,4}\b/ui', 'очень длинные слова'); echo preg_match('/\b\pL{2,4}\b/ui', 'a ту-т короткие слова');
Output for 5.3.4 - 7.1.0
01
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.3.3
00
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_match(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/pIdqB on line 2 Warning: preg_match(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/pIdqB on line 3
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/pIdqB on line 2 Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in /in/pIdqB on line 3