module EcmaReValidator

Constants

INVALID_REGEXP
INVALID_TOKENS
UNICODE_CHARACTERS: JS doesn’t have Unicode matching
VERSION

Public Class Methods

valid?(input) click to toggle source

# File lib/ecma-re-validator.rb, line 30
def self.valid?(input)
  if input.is_a? String
    begin
      input = Regexp.new(input)
    rescue RegexpError
      return false
    end
  elsif !input.is_a? Regexp
    return false
  end

  Regexp::Scanner.scan(input).none? do |t|
    if t[1] == :word || t[1] == :space || t[1] == :digit
      t[0] != :type
    else
      INVALID_TOKENS.include?(t[1])
    end
  end
end