3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'ﺫﺫ'; var_dump(preg_replace('#(?:^[^\pL]+|[^\pL]+$)#u', '', $string));
Output for 4.4.0 - 4.4.9, 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 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1 - 8.4.2
string(6) "ﺫﺫ"
Output for 5.0.0 - 5.0.4
<br /> <b>Warning</b>: preg_replace() [<a href='function.preg-replace'>function.preg-replace</a>]: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 7 in <b>/in/69spo</b> on line <b>4</b><br /> NULL
Output for 4.3.11
<br /> <b>Warning</b>: preg_replace(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 7 in <b>/in/69spo</b> on line <b>4</b><br /> NULL
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 7 in <b>/in/69spo</b> on line <b>4</b><br /> NULL

preferences:
56 ms | 410 KiB | 5 Q