Getting some chars from a string?

[Richmond Mathewson]

On 09/02/2010 21:19, Jeff Massung wrote:
> On Tue, Feb 9, 2010 at 1:01 PM, Richmond Mathewson<
> richmondmathewson at gmail.com>  wrote:
>
>    
>> I have a series of image names for the type:
>>
>> f#.png
>>
>> where # can be a number anywhere between 1 and 6 figures long.
>>
>> what I need is to extract the number from the image name.
>>
>>
>>      
> Try using a regular expression:
>
> function extractImageNumber pName
>     local tNumber
>
>     if matchText(pName,"f(\d+)\.*", tNumber) is false then
>        return empty
>     end if
>
>     return tNumber
> end extractImageNumber
>
> Jeff M.
>    
Thanks one and all for a marvellous selection of possible ways of doing 
things.

NOW what I do need to know is which are the duck eggs and which are the 
drakes' ?

"Aa can tell ye that missus, it's quite plain to be seen
The duck eggs is white n' the drakes eggs is green,"
                                                                   The 
Bellingham Show.