everton

#-*- coding: utf-8 -*-

str = "<h1>Bugs#index</h1>

<%= @user %>

<p>á</p>"

str =~ /(?m-ix:<%(=+|-|\#|%)?(.*?)([-=])?%>([ \t]*\r?\n)?)/

everton

#!/usr/bin/env ruby
#-*- coding: utf-8 -*-

def √(n)
  Math::sqrt(n)
end

class Numeric
  def ±(n)
    r = [self + n, self - n]