RegEx for matching alternating case letters

Posted by Tom on Stack Overflow See other posts from Stack Overflow or by Tom
Published on 2010-04-17T20:28:51Z Indexed on 2010/04/17 20:33 UTC
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I would like to detect the following sequences:

a
aA
aAa
aAaA
...

where a~[a-z] and A~[A-Z], the case alternates and the first letter is always lower-case.

Thanks,
Tom

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