Re: [Chicken-users] How to search UTF-8 multibyte characters with regex?

[Christian Kellermann]

* Chunyang Xu <address@hidden> [171109 05:42]:
> Hello list,
> 
> I'm new to Chicken Scheme. I need to check if a string contains some
> multibyte characters. In Emacs Lisp, I use:
> 
> (string-match "[??????]" "??????")
>      => nil
> 
> (string-match "[??????]" "????????????")
>      => 2
> 
> and it works fine, however, the following Chicken code doesn't:
> 
> (irregex-search "[??????]" "??????")
>      => #<regexp-match (0 submatches)>
> 
> I expect it to return #f since "??????" doesn't contain "???" or "???".
> 
> Any tips?

Did you load the utf8 egg?

# chicken-install utf8

Then in your code (use utf8).

http://api.call-cc.org/doc/utf8

This includes string-match that is unicode aware.

Kind regards,

Christian

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