Regular Expressions 101

Test

vn (-?[0-9. ]+){3}|v (-?[0-9. ]+){3}|f ([0-9. \/]+){3}

Use Filebeat and split log filenames in Logstash into separate fields: `grok { match => "[log[path]", "(?\w+)\.(?[a-zA-Z-]+)\.(?[a-zA-Z-]+)"] }` use filenames like...

Useful for checking comma separated full names

Christ Elektronic -> long version

this will exclude particular phrase from a line. means it will match only those line which dont have those word