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  1. #!/bin/bash
  2. s='AAAAAAA02'
  3. echo $s | sed -E "s|(A{7})[0-9]+|\101|g"
Success #stdin #stdout 0s 19632KB
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stdin
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Standard input is empty
stdout
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AAAAAAA01
https://ideone.com/d55o7K
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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