Same basic idea, but I shaved a few chars off of it.... 
#        1         2         3         4
#2345678901234567890123456789012345678901234
perl -pe's/(.)\1(\1*)(?!\1)/$2?$&:"($&)"/ge' file.txt

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-Blake

In reply to Re2: How to do it in one line? by blakem
in thread How to do it in one line? by r

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