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  1. #!/bin/bash
  2. input_exmpl='foo\nbar\nfoo bar\nbar foo\nbbar foo'
  3.  
  4. echo -e $input_exmpl
  5. echo '--------------'
  6. echo -e $input_exmpl | grep -Pn '^(?=.*\bfoo\b)(?=.*\bbar\b)'
  7.  
Success #stdin #stdout 0.01s 5512KB
comments (?)
stdin
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Standard input is empty
stdout
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foo
bar
foo bar
bar foo
bbar foo
--------------
3:foo bar
4:bar foo
https://ideone.com/Dhbm0S
language:
Bash (bash 5.0.3)
created:
334 days ago
visibility:
secret

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