require_relative './regex/character'
require_relative './regex/char_range'
require_relative './regex/concatenation'
require_relative './regex/multiplicity'
require_relative './regex/repetition'
require_relative './regex/char_class'
require_relative './regex/char_shorthand'
require_relative './regex/wildcard'
require_relative './regex/alternation'
require_relative './regex/non_capturing_group'
require_relative './regex/anchor'
require_relative './regex/lookaround'
require_relative './regex/capturing_group'