Remove redundant square brackets
Use character class directly instead of character class in character class.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Remove redundant square brackets
Use character class directly instead of
character class in character class.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e