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<?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 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
\'e1
preferences:
228.57 ms | 406 KiB | 400 Q