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  1. #!/bin/bash
  2. echo "xxabc jkl" | grep -onP  '\b\w+\b(?<!abc)'
Success #stdin #stdout 0s 19632KB
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Standard input is empty
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1:jkl
https://ideone.com/Up9V7X
language:
Bash (bash 5.0.3)
created:
8 years ago
visibility:
secret

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