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<?php $user_email = 'asd@toyota.com'; $re_to = "[^@]+@[^@]+"; //"[^@]+@[^@]*toyota[^@]*\.[^@]+"; $re_to = "[.]+"; $regex = preg_quote($re_to, '#'); $res = preg_match("$regex#i", $user_email); echo $res ? '1' : '0';
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/A9jcj on line 12 0
Output for 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, 5.5.24 - 5.5.35, 5.6.7 - 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
Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/A9jcj on line 12 0
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/A9jcj on line 12 0

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