bug#54043: Simple regexp bug [contains spoiler for today's wordle]

I noticed this one while doing: $ grep sha[^s]e five-letter-words share which doesn't fit with: $ grep sha.e five-letter-words shade shake shale shame shape share shave A reproducer is easy: $ echo shame |grep sha[^s]e (no output) Almost any change to the regex & input will make it work, even

bug#54043: Acknowledgement (Simple regexp bug [contains spoiler for today's wordle])

Never mind. bash glob-expanded 'sha[^s]e' to match 'share' which was a directory in $HOME. Eventually, I'll learn to quote correctly.