# File lib/core/facets/string/camelcase.rb, line 24 def camelcase(*separators) case separators.first when Symbol, TrueClass, FalseClass, NilClass first_letter = separators.shift end separators = ['_', '\s'] if separators.empty? str = self.dup separators.each do |s| str = str.gsub(/(?:#{s}+)([a-z])/){ $1.upcase } end case first_letter when :upper, true str = str.gsub(/(\A|\s)([a-z])/){ $1 + $2.upcase } when :lower, false str = str.gsub(/(\A|\s)([A-Z])/){ $1 + $2.downcase } end str end