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run code in 150+ php & hhvm versions
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<?php $string = 'string1+String-2'; $result = preg_match("/([a-zA-Z0-9-_]+[a-zA-Z0-9-_])/", $string); var_dump($result);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
int(1)