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

[Yuri Khan]

On Thu, 20 May 2021 at 21:50, <steve-humphreys@gmx.com> wrote:

> I have settled with
>
>   (string-match "^[:blank:]*$" s)
>
> This would match only strings with spaces, not sentences with spaces.  What 
> do you think?

No, that will match lines consisting of colons and letters a, b, k, l,
and n. To use a named character class, you need double brackets.