3v4l.org

run code in 300+ PHP versions simultaneously
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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 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
string(74) "/(?<=[^\w-]|^)(sheet set|jacket|suit|oxford shoes|[a-z]{2,})(?=[^\w-]|$)/i" array(2) { [0]=> array(5) { [0]=> string(6) "Cotton" [1]=> string(5) "Queen" [2]=> string(9) "Sheet Set" [3]=> string(2) "in" [4]=> string(5) "Ivory" } [1]=> array(5) { [0]=> string(6) "Cotton" [1]=> string(5) "Queen" [2]=> string(9) "Sheet Set" [3]=> string(2) "in" [4]=> string(5) "Ivory" } }
preferences:
155.67 ms | 416 KiB | 5 Q