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  1. #!/bin/bash
  2. s='_OA ............. [6712227000168]
  3. _OA Tasdsd, OA .. [91][355016]
  4. _OA Tasdsd, DA .. [91][5512987000]'
  5. awk '/_OA/ { match($0,/\[[[:digit:]]{4,13}]/);print substr($0,RSTART+1,RLENGTH-2)}' <<< "$s"
Success #stdin #stdout 0.01s 5440KB
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Standard input is empty
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6712227000168
355016
5512987000
https://ideone.com/uaK8hX
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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