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  1. #!/bin/bash
  2. echo "F1,F2,[as1,as2],[as3,as4]" | perl -lpe 's/(\[[^][]+])/$1=~s#,#|#gr/ge'
Success #stdin #stdout 0s 19632KB
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F1,F2,[as1|as2],[as3|as4]
https://ideone.com/POUaH2
language:
Bash (bash 5.0.3)
created:
8 years ago
visibility:
secret

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