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Re: [vox-tech] regex help - matching literal []
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Re: [vox-tech] regex help - matching literal []

Micah J. Cowan wrote:
On Fri, Apr 28, 2006 at 04:19:34PM -0500, Ken Bloom wrote:
Target exception: java.util.regex.PatternSyntaxException: Unclosed character class near index 5

java.util.regex.PatternSyntaxException: Unclosed character class near index 5
Then it violates POSIX regex syntax. That's a broken response, IMO.
I've been reading <http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap09.html> and <http://www.opengroup.org/onlinepubs/007908799/xbd/re.html>, and perhaps I'm missing it but they don't seem to support your assertion. And of course google doesn't allow searching for punctuation. I'd appreciate it if you would explain how "[[].*]" is valid, or point to some source that supports your position.

Besides which, Peter was trying to match "[" and "]" individually. A single RE that matches either character isn't what he wanted. Does "[[].*]" match "[" or "]"?

ObAlternateSolution: the expression "[[]" matches "[", "[]]" matches "]", and "[[][]]" matches "[]".
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