Fixed regex that resulted in an invalid range in older browsers #89
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The regex
[_/-\s]
will cause error "Invalid range in character set" because it creates a range between the/
and the\s
characters. The hyphen needs to be escaped or moved to the end. Problem was observed in IE8, Firefox 14, and 24.Related: http://stackoverflow.com/questions/23496973/invalid-range-in-character-class-regex-firefox