# File json/lexer.rb, line 198
    def nextto(regex)
      buf = ""
      while (true)
        c = self.nextchar()
        if !(regex =~ c).nil? || c == '\0' || c == '\n' || c == '\r'
          self.back() if (c != '\0')
          return(buf.chomp())
        end
        buf += c
      end
    end