3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = '{\rtlch\fcs1 \af56 \ltrch\fcs0 \i\f56\insrsid13383763\charrsid4210380 \\\'e1}'; echo preg_replace('#\{\\rtlch\\fcs1 \\af56 \\ltrch\\fcs0 \\i\\f56\\insrsid13383763\\charrsid4210380( \\\'e1)\}#', '$1', $string);
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 21 in /in/JOQ1V on line 4
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 21 in /in/JOQ1V on line 4
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 21 in /in/JOQ1V on line 4
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 21 in /in/JOQ1V on line 4
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 21 in /in/JOQ1V on line 4