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run code in 150+ php & hhvm versions
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<?php $pattern = '/^[\\p{L}\\-\\. ]{2,100}$/'; $subject = 'Łódź'; $result = preg_match( $pattern, $subject , $matches ); print_r($matches);
Output for 5.2.10 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( )
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.2.9
Array ( [0] => Łódź )
Output for 5.0.0 - 5.0.4
<br /> <b>Warning</b>: preg_match() [<a href='function.preg-match'>function.preg-match</a>]: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in <b>/in/sJm4F</b> on line <b>5</b><br /> Array ( )
Output for 4.3.11
<br /> <b>Warning</b>: preg_match(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in <b>/in/sJm4F</b> on line <b>5</b><br /> Array ( )
Output for 4.3.0 - 4.3.10
<br /> <b>Warning</b>: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 3 in <b>/in/sJm4F</b> on line <b>5</b><br /> Array ( )