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  1. #!/bin/bash
  2. s="123 1  2 3
  3. 1 2 3 45
  4. 14 2 3 4
  5. 123 a2
  6. hello 123 my 1 name 2 is 3" 
  7.  
  8. grep -E '\<[0-9]+\>.*\<[0-9]+\>.*\<[0-9]+\>.*\<[0-9]+\>' <<< "$s"
  9.  
  10.  
Success #stdin #stdout 0.01s 5392KB
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stdin
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Standard input is empty
stdout
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123 1  2 3
1 2 3 45
14 2 3 4
hello 123 my 1 name 2 is 3
https://ideone.com/FnylZ4
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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