Like I said, simple, but powerful and one of the most used command line tools which is why I use it as the example in this article. But grep isn’t the only program that uses regular expressions.

Here is a example config file: dnsmasq_regex_example.conf Tips: A simple script to generate domains configurations: my-gfwlist The regex line [a-z]*gle\.com will match both google.com and ...

Regular expressions are by far the most powerful tool for text manipulation and description, and they are well supported under Linux on many applications. Unfortunately, they are not supported at all ...