@@ -49,7 +49,7 @@ |
||
49 | 49 | throw Exception\InvalidArgumentException::fromEmptyKey(); |
50 | 50 | } |
51 | 51 | |
52 | - if (preg_match('/[' . preg_quote('{}()/\@:', '/') . ']/', $key)) { |
|
52 | + if (preg_match('/['.preg_quote('{}()/\@:', '/').']/', $key)) { |
|
53 | 53 | throw Exception\InvalidArgumentException::fromInvalidKeyCharacters($key); |
54 | 54 | } |
55 | 55 | } |