regex

Here are some regular expressions that will help you to perform a validation and to extract all matched IP addresses from a file. The following regular expressions match IPv4 addresses. Matched IP addresses can be extracted from a file using grep command. In this article you’ll find a regular expressions themselves and an example of […]

Here is a best regular expression that will help you to perform a validation and to extract all matched email addresses from a file. This regular expression matches 99% of the email addresses in use nowadays. In this article you’ll find a regular expression itself and an example of how to extract matched email addresses […]