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  1. #!/bin/bash
  2. s="####should be matched#### ignore the red text#########3
  3. suvoo:
  4. :suvoo:
  5.  suvoo 
  6.  suvoo:
  7. suvoo'
  8. suvoo\`
  9. \`suvoo\`
  10. "'"'"suvoo"'"'"
  11. 'suvoo:
  12.  'suvoo "'"'"ghj
  13. 'suvoo
  14. [suvoo~
  15. {suvoo'
  16. his name was \`suvoo'
  17. his name is suvoo and he is 25
  18. ####shouldnt be matched####
  19. asddsuvooaed
  20. :suvo@abc:
  21. suvooo
  22. 1suvoo
  23. suvoo1:"
  24.  
  25. grep -E '(^|[[:space:]"'"'"'`(,:;<[{|~])suvoo([][:space:]"'"'"'),:;>`}|~]|$)' <<< "$s"
Success #stdin #stdout 0s 19632KB
comments (?)
stdin 
Standard input is empty
stdout 
suvoo:
:suvoo:
 suvoo 
 suvoo:
suvoo'
suvoo`
`suvoo`
"suvoo"
'suvoo:
 'suvoo "ghj
'suvoo
[suvoo~
{suvoo'
his name was `suvoo'
his name is suvoo and he is 25
https://ideone.com/YbwCXm
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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