Re: Escaping text string for use in Reg Ex???

Author: Rafael Copquin

Posted: 2011-03-25 at 16:59:52

I have been using Gofish for years now and it is much faster than the

Code References utility that comes with VFP.

I don't have any such code but off the top of my head, could you not use

STRTRAN?

ie: cUserInput = strtran(cUserInput,'\','')

Rafael Copquin

El 25/03/2011 10:43, Matt Slay escribió:

> I'm working on a re-write of the VFP app GoFish (search and replace tool).

> One thing I am doing with the new version is that internally I'm using

> Regular Expressions to perform the search rather than the original way it

> worked which was that it just used the $ function to look for a string

> match.

>

> So the user will enter a search string which could very likely contain some

> characters that are reserved characters in regular expressions. (i.e.

> ^[]\{}.,;+-$ etc.) I need to escape those characters in the user input so

> the reg ex search will work properly.

>

> There are lots of way one could iterate over the input string to escape all

> the special characters, and I'm sure there are some trick one must figure

> out to do it correctly, so, before I re-invent the wheel here, I'm asking

> around to see if anyone already has the code to do this.

>

> Anyone?

>

>

>

> --- StripMime Report -- processed MIME parts ---

> multipart/alternative

> text/plain (text body -- kept)

> text/html

> ---

>

[excessive quoting removed by server]

_______________________________________________

Post Messages to: ProFox@leafe.com

Subscription Maintenance: http://leafe.com/mailman/listinfo/profox

OT-free version of this list: http://leafe.com/mailman/listinfo/profoxtech

Searchable Archive: http://leafe.com/archives/search/profox

This message: http://leafe.com/archives/byMID/profox/4D8D0248.1080901@ciudad.com.ar

** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.

©2011 Rafael Copquin