shmuz

-- shmuel 20.06.2014 00:22:00 +0200
-- http://forum.ru-board.com/topic.cgi?forum=5&topic=31718&start=5180#15

local patt = regex.new( [=[
  \b http s?  :\/\/ [^\s`'"[\](){}<>]+ |
  \b ftp      :\/\/ [^\s`'"[\](){}<>]+ |
  \b www \d*  \.    [^\s`'"[\](){}<>]+ |
  \b mailto:        [^\s`'"[\](){}<>]+ |
  (?: \b [a-z]:)? (?: [\\\/]? [\w.\-]+ )+ [\\\/]?
]=], "ix")