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  1. #!/bin/bash
  2. s='blahaaaaaa goog sdd 234 3242423
  3. ala el-213123123123 
  4. 1231231313123,141241'
  5. tr "\n " "\r\n" <<< "$s" | sed -r '/[0-9]{10}/ s/[0-9]{3}/& /g'  | tr '\r\n' '\n '
Success #stdin #stdout 0s 4480KB
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blahaaaaaa goog sdd 234 3242423
ala el-213 123 123 123  
123 123 131 312 3,141 241
https://ideone.com/DVdM5C
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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