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  1. #!/bin/sh
  2.  
  3. STRING=$( cat <<EOF
  4. null},
  5. {" id ":2975220889," app _id":666666, null},
  6. {"id":2975220890,"app_id":666666, null},
  7. {" id ":2975220889," app _id":666666, null},
  8. {"id":2975220891,"app_id":666666,
  9. EOF
  10. )
  11. echo "$STRING" | grep -Po '(?<="id":)[^,]+'
Success #stdin #stdout 0s 5032KB
comments (?)
stdin 
Standard input is empty
stdout 
2975220890
2975220891
https://ideone.com/HqLZ9j
language:
Bash (bash 5.0.3)
created:
9 years ago
visibility:
secret

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