From: Tim Hunter <TimHunter@...>
Date: 2008-09-02T04:14:40+09:00
Subject: Re: Regex help, anyone?

Ryan Lewis wrote:
> I'm making a syntax highlighter for ruby and i just need help with a bit
> of regex.
> 
> I need to highlight function names ('hlstring') in strings such as:
>   "def hlstring(lol, help)"
>   "def hlstring (omg)"
>   "def hlstring arg, arg"
> 
> Any help is much appreciated. :)

Here's my stab at it.

["def hlstring(lol, help)",
  "def h2string (omg)",
  "def h3string arg, arg",
  "def a()",
  "def a2"].each do |str|
    m = /def\s+([A-Za-z_]\w*)/.match(str)
    puts "#{m[1]} begins at #{m.begin(1)} ends at #{m.end(1)}"
end

-- 
RMagick: http://rmagick.rubyforge.org/