replacing non-printable character \377

replacing non-printable character \377

[Owen McGonagle]

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Hi,
I am looking for a simple replace-regexp command that will replace all my
non-printable characters that show up as \377 with the single character 'u'
I have searched around for a good example - maybe it is my limited understanding
of regular expressions - I have tried a few, with no luck.

Thanks in advance.
Owen.

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Re: replacing non-printable character \377

[Eli Zaretskii]

> Date: Thu, 24 Jan 2013 10:33:48 -0800 (PST)
> From: Owen McGonagle <omcgonagle@yahoo.com>
> 
> I am looking for a simple replace-regexp command that will replace all my
> non-printable characters that show up as \377 with the single character 'u'
> I have searched around for a good example - maybe it is my limited understanding
> of regular expressions - I have tried a few, with no luck.

If you need to replace a single character, why do you need to use
regexps?

Doesn't "M-% C-q 377 RET u RET" do the job?  (You may need to visit
the file with "M-x find-file-literally RET" for this to work.)