src/Constraint/Provider/MatchProvider.php
public function getFunctions()
    {
        return array(
            new ExpressionFunction(
                'match',
                function ($pattern, $value) {
                    return sprintf('preg_match(%1$s, %2$s) === 1', $pattern, $value);
                },
                function ($arguments, $pattern, $value) {
                    return preg_match($pattern, $value) === 1;
                }
            ),
        );
    }
public function getFunctions()
    {
        return array(
            new ExpressionFunction(
                'match',
                function ($pattern, $value) {
                    return sprintf('preg_match(%1$s, %2$s) === 1', $pattern, $value);
                },
                function ($arguments, $pattern, $value) {
                    return preg_match($pattern, $value) === 1;
                }
            ),
        );
    }
{@inheritdoc}