Re: [External] : Use the characters "+" and "-" in regular expressions

[Jean Louis]

* steve-humphreys@gmx.com <steve-humphreys@gmx.com> [2021-05-20 16:56]:

> > [:blank:] is series of characters for that:
> > 
> > (string-match "[[:blank:]]" " ") ⇒ 0
> 
> Have done the following  (string-match "^[:blank:]$" " ")
> 
> Because (string-match "[:blank:]" s) was matching sentences with
> space between words as well.

Are you sure? As in that case the meaning of ^ is that it matches
begin of line, while in [^[:blank:]] it match anything but non-blank
and meaning of ^ is "not match" in that case.



-- 
Jean

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