Thanks for the speedy reply! I've kept both the single and multibyte ranges on separate lines just to help me keep track of what they actually represent.

However, I do not think it is possible to combine the multibyte characters, which means that I can't quite combine everything.

The missing slash was a typo.

Also, I should point out that,
s/[${shiftjis}]//ogx; (or s/${shiftjis}//ogx; or s/$shiftjis//ogx;) will work as expected.

What doesn't work as expected is:
s/[^${shiftjis}]//ogx;

Unfortunately I'm now at home and do not have access to the text. However, I think that the problem is that I don't know this little corner of the regex syntax...

In reply to Re^2: regex: how to negate a set of character ranges? by kettle
in thread regex: how to negate a set of character ranges? by kettle

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