From: Josh Cheek <josh.cheek@...>
Date: 2010-11-21T15:18:39+09:00
Subject: Re: Problem regarding regular expression

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On Sat, Nov 20, 2010 at 7:41 PM, Stanford Ng <ngkooinam@gmail.com> wrote:

> puts( /^[a-z 0-9]*$/ =~ 'Well hello 123' )  # no match due to ^ and
> uppercase 'W'
>
>
> puts( /^[a-z 0-9]*/ =~ 'Well hello 123' )  # * zero (or more) matches at
> start ^ = 0
>
> i could barely understand why the existence of $ makes such a
> difference.
> any help?
>
> --
> Posted via http://www.ruby-forum.com/.
>
>
Why don't you play with it at rubular.com for a while, it will help you to
see easier what is happening when you change your regexp.

http://rubular.com/r/2f1DxHl33E

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