https://www.codevivek.com/tags/regex/ Recent content in Regex on Vivek's Blog Hugo en viveklp1995@gmail.com (Vivek Singh) viveklp1995@gmail.com (Vivek Singh) Sat, 27 Jun 2020 01:17:29 +0530 https://www.codevivek.com/intro-to-regular-expressions/ Sun, 01 Dec 2019 21:57:40 +0800viveklp1995@gmail.com (Vivek Singh) https://www.codevivek.com/intro-to-regular-expressions/ <h2 id="introduction">Introduction</h2> <p>Being a Linux user and not coming across Regular Expressions or regex is next to impossible. I kept seeing the cryptic little set of characters everywhere and the people who could use it looked like ninjas to me. They are everywhere text editor's, JavaScript, Python, JAVA , Bash&hellip;&hellip;and the list goes on.</p> <figure><img src="https://imgs.xkcd.com/comics/regular_expressions.png"><figcaption> <h4>XKCD Regex Comic</h4> </figcaption> </figure> <h2 id="what-exactly-is-a-regular-expression">What Exactly is a Regular Expression?</h2> <p>A regular expression is a string containing a combination of normal characters and special meta-characters or meta-sequences. The normal characters match themselves. Meta-characters and meta-sequences are characters or sequences of characters that represent ideas such as quantity, locations,or types of characters.</p>