class Regexp::Expression::Subexpression
def to_s(format = :full)
def to_s(format = :full) s = '' # Note: the format does not get passed down to subexpressions. case format when :base s << @text.dup s << @expressions.map{|e| e.to_s}.join unless @expressions.empty? else s << @text.dup s << @expressions.map{|e| e.to_s}.join unless @expressions.empty? s << @quantifier if quantified? end s end