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  1. #!/bin/bash
  2. s="/superman
  3. /superman1
  4. /superman/batman
  5. /superman2/batman
  6. /superman/wonderwoman
  7. /superman3/wonderwoman
  8. /batman/superman
  9. /batman/superman1
  10. /wonderwoman/superman
  11. /wonderwoman/superman2"
  12. grep -E '(^|/)superman($|/)' <<< "$s"
Success #stdin #stdout 0s 19632KB
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stdin
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Standard input is empty
stdout
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/superman
/superman/batman
/superman/wonderwoman
/batman/superman
/wonderwoman/superman
https://ideone.com/BwWryu
language:
Bash (bash 5.0.3)
created:
4 years ago
visibility:
secret

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