Filter content in HTML using regular expressions in grep

2 · Red Hat · Oct. 5, 2022, 7:39 a.m.
This article is a third in a series about executing regular expressions using the grep executable that ships with Linux operating systems. The grep command filters content in a file or as output from stdout. The first article in this series described the basics of using metacharacters and regular characters to create regular expressions. The second discussed working with quantifiers, pattern collections, groups, and word boundaries in regular expressions. This article uses the features described...