module ActiveSupport::Multibyte::Unicode
def self.codepoints_to_pattern(array_of_codepoints) #:nodoc:
codepoints.
Returns a regular expression pattern that matches the passed Unicode
def self.codepoints_to_pattern(array_of_codepoints) #:nodoc: array_of_codepoints.collect{ |e| [e].pack 'U*' }.join('|') end