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  1. #!/bin/bash
  2. s="xa bx
  3. xc dx
  4. xe fx"
  5.  
  6. sed 's/.*\([ace]\)[[:space:]]\([bdf]\).*/\2 \1/g' <<< "$s"
  7. echo "---"
  8. sed 's/^[^[:space:]]*\([ace]\)[[:space:]]\([bdf]\)[^[:space:]]*$/\2 \1/g'  <<< "$s"
Success #stdin #stdout 0s 4404KB
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Standard input is empty
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b a
d c
f e
---
b a
d c
f e
https://ideone.com/IKpgBM
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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