Module: RegexConcat

Defined in:
lib/regex_concat.rb,
lib/regex_concat/version.rb

Constant Summary collapse

VERSION = 
"1.1.0"

Instance Method Summary collapse

Instance Method Details

#concat(*regexes) ⇒ Object

Concatenates Regexp objects together into a new Regexp object. Keeps any flags, and adds them together. //i + //m == //im

Regexp.concat(/foo/, /bar/) # => /foobar/
Regexp.concat(/foo/i, /bar/) # => /foobar/i
Regexp.concat(/foo/ix, /bar/m) # => /foobar/mix



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# File 'lib/regex_concat.rb', line 10

def concat(*regexes)
  allflags = regexes.inject(0) { |flags, re| flags | re.options }
  patterns = regexes.map { |re| re.source }
  Regexp.new(patterns.join, allflags)
end