Re: Return Data Regex Doesn't Isolate - Yikes

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From: Brian Davis (brian_at_knowdotnet.nospam.com)
Date: 04/12/04 

Date: Sun, 11 Apr 2004 22:15:41 -0400

You could just call Regex.Replace with the same expression and an empty
string as the replacement if you didn't need to access any of the match
properties (index, groups, etc.).

Brian Davis
http://www.knowdotnet.com

"Garibaldi" <ty_92648 AT hotmail.com> wrote in message
news:%238ChU$9HEHA.3144@TK2MSFTNGP10.phx.gbl...
> Folks,
>
> I'm having a bad regex day and can sure use your help, please..
>
> I have a Regex expression that works fine. It's purpose is to isolate all
> data from the start of a string begining with 200~ to the end of the
string
> but before the start of the next 200~. Here's the regex expression and
test
> data:
>
> (?ms)^200~(.*?)(?=^200~)
>
> Here's some test data
>
> 00000000000000000000
> 200~11111111111111111
> 22222222222222222222222222222
> 3333333333333
> 200~444444444444444444444444
> 555555555555555555555555555555555
> 66666666
> 200~777777777777777777
> 888888888888
>
> The regex will return 200~ plus all ones, twos, threes as a group then
200~
> plus all fours, fives, sixes as a group
>
> Problem
> ---------
> Now I need to do the reverse. I need to return all the data the preceding
> regex doesn't return. IOW, I need to return all the zeros and 200~ plus
all
> the sevens and all the eights as a group. I want to execute "NOT
> (?ms)^200~(.*?)(?=^200~)"
>
> Sure could use a pointer to the correct starting point or any suggestion
> that will help me reach my goal.
>
> Thanks in advance
>
> ty_92648 AT hotmail.com
>
>

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