Bash regex tests wh'appen?

Eric Blake
Thu Jan 11 16:41:00 GMT 2007

Dave Korn <dave.korn <at>> writes:

>   I upgraded quite a lot of bash versions in one go, and one of my
> shell-scripts broke.  I've reproduced it to a simple test case which shows
> that either regex tests have turned into non-reg-ex text matches, or that I've
> really misunderstood something here.  I checked the last few release
> announcements and didn't see anything about the behaviour of =~ changing.

Bash 3.2 changed regex syntax.
/usr/share/doc/bash-3.2.9/NEWS item f

Eric Blake

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