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run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match("1^[a-zA-Z0-9.-_]+\@[a-zA-Z0-9.-_]\+.[a-zA-Z0-9.-_]+$1",$email); ?>
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: email in /in/KOV3o on line 2 Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/KOV3o on line 2
Output for 4.3.11 - 5.0.3
Notice: Undefined variable: email in /in/KOV3o on line 2 Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/KOV3o on line 2
Output for 4.3.0 - 4.3.10
Notice: Undefined variable: email in /in/KOV3o on line 2 Warning: Delimiter must not be alphanumeric or backslash in /in/KOV3o on line 2