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  1. #!/bin/bash
  2. rx='(?:\G(?!^),\s*|\bG\()\K[^(),]+(?=[^()]*\))'
  3. example="not me G(select me, and me) G(select me) G(also me)"
  4. grep -oP "$rx" <<< "$example"
Success #stdin #stdout 0s 4292KB
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stdin
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Standard input is empty
stdout
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select me
and me
select me
also me
https://ideone.com/dO2UWw
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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