Find all strings except one string using regex

2018-06-04 01:01:27

This question already has an answer here:

Regular expression to match a line that doesn't contain a word? 25 answers

^(?!ABC$).*

匹配除ABC外的所有字符串。

Judging by you examples, I think you mean "all strings except those containing the word ABC".

Try this:

^(?!.*bABCb)

Invert the Match with GNU Grep

You can simply invert the match using word boundaries and the specific string you want to reject. For example:

$ egrep --invert-match 'bABCb' /tmp/corpus 
"A"     --> Match
"F"     --> Match
"AABC"  --> Match
"ABCC"  --> Match
"CBA"   --> Match

This works perfectly on your provided corpus. Your mileage may vary for other (or more complicated) use cases.

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