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run code in 150+ php & hhvm versions
Bugs & Features
<?php $replace="Yuqi Building Contractor & Trading Pte Ltd"; echo preg_replace("/[^A-Za-z0-9 ]\u[^A-Za-z0-9 ]/", '', $replace); ?>
Output for 5.3.4 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 14 in /in/DGEef on line 3
Output for hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 14 in /in/DGEef on line 3
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.3.3
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \U, or \u at offset 14 in /in/DGEef on line 3
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 14 in /in/DGEef 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 14 in /in/DGEef on line 3