3v4l.org

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<?php $str[] = "3543900000133243"; $str[] = "3543sssssxxxxxx23243"; $str[] = "1543344=-23-1--923243"; $pattern = "/\A3543(.+)3243\Z/"; foreach($str as $key=>$string) { if(preg_match($pattern,$string,$res)) { echo "found in $string: ".$res[1]." at position ".strpos($string,$res[1]); } else { echo "not found in $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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
found in 3543900000133243: 90000013 at position 4found in 3543sssssxxxxxx23243: sssssxxxxxx2 at position 4not found in 1543344=-23-1--923243
preferences:
244.59 ms | 406 KiB | 346 Q