> the candidates whips Perl or Ruby or whatever out My first thought for is_balanced_parens was something like: while _!="" (s'()''g or reject) #* multipl

> the candidates whips Perl or Ruby or whatever out My first thought for is_balanced_parens was something like: while _!="" (s'()''g or reject) #* multiple types of parentheses *# while _!="" (s'()''g or s'{}''g or reject)