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  1. #!/bin/bash
  2. s="Some kernel: 10KB
  3. Some  kernel: 10001KB
  4. And kernel: 2001KB"
  5. echo "$s" | grep 'kernel:' | grep '\b[1-9][0-9]\{3,\}KB'
Success #stdin #stdout 0s 19632KB
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stdin
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Standard input is empty
stdout
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Some  kernel: 10001KB
And kernel: 2001KB
https://ideone.com/RN6UUh
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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