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<?php $email='something@gmail.com'; var_dump(preg_match('/([\w\s\'\"\+]+[\s]+)?(<)?(([\w-\.\+]+)@((?:[\w\-]+\.)+)([a-zA-Z]{2,4}))?(>)?/', $email, $aMatch)); var_dump($aMatch);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
Warning: preg_match(): Compilation failed: invalid range in character class at offset 29 in /in/Ls3sI on line 3 bool(false) NULL
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
int(1) array(7) { [0]=> string(19) "something@gmail.com" [1]=> string(0) "" [2]=> string(0) "" [3]=> string(19) "something@gmail.com" [4]=> string(9) "something" [5]=> string(6) "gmail." [6]=> string(3) "com" }

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