From: Mark Wilson <mwilson13@...>
Date: 2003-09-13T09:52:35+09:00
Subject: Re: String#start_with? / #end_with?


On Friday, September 12, 2003, at 08:42 PM, dblack@superlink.net wrote:

> [snip]

> class String
>
>    def start_with?(little_string)
>      !self.match(/^#{Regexp.escape(little_string)}/).nil?
>    end
>
> end
>
> [snip]
>
>     big_string.start_with?(little_string)

> All of the snippets in this thread will run aground on the fact that ^
> anchors to start-of-line, not start-of-string.  You'd want to use the
> \A anchor for the latter.

!self.match(/\A#{Regexp.escape(little_string)}/).nil?

I think this, and the corresponding 'end_with?' method, is now a good 
candidate for the String section of the Standard Class Extensions 
category on the RubyGarden Wiki.

Regards,

Mark