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  1. #!/bin/bash
  2. s='libstuff-example1 (>= 6.3.2),
  3. libpackage-example2 (>= 5.2.1),
  4. libtest-example3 (>= 5.2.1)'
  5.  
  6. val=$(grep -Po 'libpackage-.* \K[0-9.]+'  <<< "$s")
  7. echo "$val"
Success #stdin #stdout 0s 4880KB
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5.2.1
https://ideone.com/r5Rg7I
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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