how to implement this in htaccess???

Test

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

/%A-Z+%*\|[0-9]+\|[0-9]+(\.[0-9])?\$/g

opinionated email validation based on https://en.wikipedia.org/wiki/Email_address. i have excluded some email patterns that don't seem to be common

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...