Posted by Kris on 02/28/07 11:12

On Feb 28, 11:29 am, Heiko Richler <heiko-rich...@nefkom.net> wrote:
> Kris wrote:
> > I have a text and I want to match several words like this "(controller|
> > data|IT)?" at least one of the words in the group should be mandatory,
> > but I dont want to match a word that is part of another word like this
> > "datamanager" it should only match the word "data" or any other word
> > in the group.
>
> > Any suggestions?
>
> You know there are classes for characters, like \w? Well there are
> classes for non characters:
> ^ Start of Line or Data
> $ End of Line or Data
> \b Word-boundery, change from \w to \W
>
> -> "(\b(controller|data|IT)\b)?"
>
> But some letters like German umlaute may be seen as Non-Word-Elements,
> depending on your the encoding.
>
> In this cases you may try search for your words between non letters.
> -> "((\s|^)(controller|data|IT)(\s|$))?"
>
> what about data-base?
>
> Heiko
> --http://portal.richler.de/Namensportal zu Richlerhttp://www.richler.de/ Heiko Richler: Computer - Know How!http://www.richler.info/ private Homepage

Hi Heiko

thanks for the reply

I know about boundaries and such, just couldnt get it to work, now I
see why, I had tesed \b(controller...)\b which didnt work as intended.

Kris

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