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  1. #!/bin/bash
  2. grep -Po '(?<=^field_one: ).*' <<< "field_one: 123"
  3. grep -Po '^field_one:\s*\K.*' <<< "field_one: 123"
Success #stdin #stdout 0s 19632KB
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stdin
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Standard input is empty
stdout
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123
123
https://ideone.com/R2EzsE
language:
Bash (bash 5.0.3)
created:
7 years ago
visibility:
secret

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