class Regexp

def if_match(string, required = true, &block) # rubocop:disable Style/OptionalBooleanParameter

rubocop:disable Style/OptionalBooleanParameter
+nil+ otherwise.
If +self+ does not match +string+ raises a +ArgumentError+ if +required+ is truthy or return
not provided.
If +self+ matches +string+ returns +block.call(Match result) or only Match result if block is 
def if_match(string, required = true, &block) # rubocop:disable Style/OptionalBooleanParameter
  m = match(string)
  if m
    block ? block.call(m) : m
  elsif required
    raise(::ArgumentError, "Pattern \"#{self}\" does not match string \"#{string}\"")
  end
end

def to_parser(&block)

Returns:
  • (::EacRubyUtils::RegexpParser) - 
def to_parser(&block)
  ::EacRubyUtils::RegexpParser.new(self, &block)
end