From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2012-05-03T04:32:04+09:00
Subject: Re: array of strings - finding letter combinations

2012/5/2 Sebastjan H. <lists@ruby-forum.com>:
> Ok, thx. Just so I understand correctly, these two lines are just
> examples and are not part of the actual code. Since the array of strings
> to be searched in is actually strings in the code below. Right?
>
> Furthermore, when I used the regex as you put it, I got this error:
>> duplicates.rb:5: undefined (?...) sequence: /(?<=&)[a-z]/
>
> So I changed it to /&[a-z]/ and the error was gone.

It looks like you're using an old version of Ruby; this regex won't
work on Ruby 1.8 or earlier.


> Since the ampersand can also be followed by a capital letter I tried
> this:
> /&[a-z]i/ - I searched the net for modifiers, but I guess this would
> only work on a specific letter? So how to add the possibility of capital
> letter in the regex?

That would be /&[a-z]/i - note that "i" is outside of "//".


-- Matma Rex