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Regexp: Find consecutive special characters

MarwimJul 13 2010 — edited Jul 13 2010
Hello,

I have to verify names according to strict rules and most of them I could solve using regular expressions. Now there is one I cannot solve with a single expression:

"Multiple identical special characters must not be consecutive"

Special characters would be considered äöüß or any character with an accent like é.
This means that "Käßmann" is allowed because äß are two different special characters but not "Käämann".

Regards
Marcus
This post has been answered by BobLilly on Jul 13 2010
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