Re: [nongnu] elpa/yaml-mode 508c006642 3/5: Improve imenu index regular expression

>  (defcustom yaml-imenu-generic-expression
> -  '((nil  "^\\(:?[a-zA-Z_-]+\\):"          1))
> +  '((nil  "^\\(:?[a-zA-Z_][-a-zA-Z0-9_.]*\\):"          1))
>    "The imenu regex to parse an outline of the yaml file."

I suspect `a-zA-Z` could be replaced by `[:alpha:]`
and `a-zA-Z0-9` could be replaced by `[:alnum:]`.


=== Stefan