Hmm... I don't think you can nest character classes. your final regex looks something like: 
/[^[\x30-39]|[\x41-\x59]|[\x61-\x7a]| ... #etc

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Which means you're using the literal [, - | and ] characters as part of a bigger character class.

Also, it looks like you're trying to match raw byte sequences instead of characters. I have zero experience with shift-jis so I have no clue what characters (if any) you're trying to match, but as a wild stab, I would assume it's a lot easier to use Encode's decode() function to translate the shift-jis bytes into true (utf-8) characters and then match on characters (since you then can match multi-byte codepoints directly).

"What should it profit a man, if he should win a flame war, yet lose his cool?"

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

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