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  1. #!/bin/bash
  2. test='abcdfghejekele brightndree'
  3. grep -Eio '[[:alpha:]]*[b-df-hj-np-tv-z]{6}[[:alpha:]]*' <<< "$test"
  4. echo '== Now, without [[:alpha:]]*'
  5. grep -Eio '[b-df-hj-np-tv-z]{6}' <<< "$test"
Success #stdin #stdout 0s 4380KB
comments (?)
stdin 
Standard input is empty
stdout 
abcdfghejekele
brightndree
== Now, without [[:alpha:]]*
bcdfgh
ghtndr
https://ideone.com/VYpdHg
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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