Re: comparing sequences that contain more than one of

On 22/02/2008, Michael Kay <mike@xxxxxxxxxxxx> wrote:
>
>  Sort the characters in the long string into code point order
>
>  farmer => aefmrr
>
>  Turn this into a regular expression in which each character is optional
>
>  a?e?f?m?r?r?
>
>  Sort the characters in the short string into code point order, and test
>  whether the result matches this regular expression.

I can't see what you're getting at, but I can't convert it into a
working example:

matches('hello', 'a?e?f?m?r?r?')"

returns true, which suggests the regex needs work... but I don't know
regex's well enough to correct it.


-- 
Andrew Welch
http://andrewjwelch.com
Kernow: http://kernowforsaxon.sf.net/