Remove trailing letters at the end of string

Posted by wang on Stack Overflow See other posts from Stack Overflow or by wang
Published on 2011-11-27T21:55:13Z Indexed on 2011/11/28 1:50 UTC
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string

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bash

I have some strings like below:

ffffffffcfdeee^dddcdeffffffffdddcecffffc^cbcb^cb`cdaba`eeeeeefeba[NNZZcccYccaccBBBBBBBBBBBBBBBBBBBBBB

eedeedffcc^bb^bccccbadddba^cc^e`eeedddda`deca_^^\```a```^b^`I^aa^bb^`_b\a^b```Y_\`b^`aba`cM[SS\ZY^BBB

Each string MAY (or may not) end with a stretch of trailing "B" of varied length. I'm just wondering if we can simply use bash code to remove the "B" stretch?

thx

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