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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 ? 'True' : 'False';

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