Escaping the Filter command's wildcards

Mark Schonewille m.schonewille at economy-x-talk.com
Wed May 22 17:37:30 EDT 2013


Hi Paul,

This works fine for me:

put replacetext("xxx?!xxx","[\?!]","")
--> xxxxxx

What exactly is the problem you're having? Could you post some of the 
code that doesn't work for you?

--
Best regards,

Mark Schonewille

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On 5/22/2013 23:16, Paul Dupuis wrote:
> The filter command in LiveCode appears to accept a regular expression
> (using ? for a single character match, * for multiple character match,
> [chars] and [char-char]). However, if you want to filter a container to
> a string where you pattern contains a question mark, it does not appear
> that you can escape the ? with \? in the pattern to have it treated as a
> "real" question mark instead of a wild card.
>
> While \? does not cause ? to be treated as a question mark instead of a
> wild card, using [?] does appear to treat it as a real character and not
> as a wild card.
>
> Does any one have any knowledge of escaping the special characters
> listed in the Dictionary? Or whether other regex special characters can
> be used beyond those listed?
>
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