Yubico/php-yubico — pull request #11 by rjkip (2014-09-22 09:59:34+00:00)
Title: Escape dot metacharacter, simplify OTP regexes

I've escaped the dot metacharacter in the Dvorak regex, which would match any character. Also, to simplify future regex maintenance, if any, I've made the regexes case-insensitive.