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  1. #!/bin/bash
  2. text='Time: 00:23PM
  3. Time: 03:23PM
  4. Time: 11:23PM
  5.  
  6. Time: 12:23PM
  7. Time: 13:45PM'
  8. perl -pe 's/(?<!\d)(0?\d|1[01])(?=:[0-5]?\d\s*PM)/$1+12/ge' <<< "$text"
Success #stdin #stdout 0.01s 5392KB
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Standard input is empty
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Time: 12:23PM
Time: 15:23PM
Time: 23:23PM

Time: 12:23PM
Time: 13:45PM
https://ideone.com/UpRvjX
language:
Bash (bash 5.0.3)
created:
2 years ago
visibility:
secret

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