cat /etc/oratab | grep -e "^[\a-Az-Z0-9\]\{0,8\}\:*/[[:graph:]]*"
Hints:-
Always use caret "^" and "$" without escape "\" like "^[[:digit:]]" or "$[[:digit:]]" .
To include forward search use "\+" or "*" like "^[[:graph:]]\+" or "^[[:digit:]]*" .
Showing posts with label grep commands patterns and metacharacter classes In Linux escape "\" character importance. Show all posts
Showing posts with label grep commands patterns and metacharacter classes In Linux escape "\" character importance. Show all posts
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