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Subject: Re: silly regexp-replace question: how to delete empty lines
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"leo" <halloleo@noospaam.myrealbox.com> writes:

> now i recall: i guess, the fact that "^[C-j]" works but "^$[C-j]"
> doesn't, is kind of a regexp bug/feature in emacs, isn't it?

    For historical compatibility reasons, `$' can be used only at the
    end of the regular expression, or before `\)' or `\|'.

    For historical compatibility reasons, `^' can be used only at the
    beginning of the regular expression, or after `\(' or `\|'.

(info "(elisp)Regexp Special")

-- 
Johan Bockgård