Category: regular expressions

An Alternative to Regular Expressions: agp-exp

Hardly any programmer escapes the need to use regular expressions in one form or another from time to time. For many, the pattern syntax can seem cryptic and forbidding. This tutorial will introduce a new pattern-matching engine, apg-exp—a feature-rich alternative to RegExp with an ABNF pattern syntax that is a l...

Regular Expressions in JavaScript

Even if Perl looks like spaghetti to you and you feel that no mere mortal is equipped to manage a Unix system, the fact that JavaScript includes support for Perl-style regular expressions is good news… trust us! Continue reading %Regular Expressions in JavaScript% ...

How to Spice up Your Slack Channel with Hubot

Hubot is an open source CoffeeScript bot, that can monitor and respond to commands through a variety of chat room applications. As GitHub proudly claims, “it can help to dramatically improve and reduce employee efficiency” (depending how you use it). In this article we’ll get Hubot set up, integrate it with Slac...

Demystifying RegEx with Practical Examples

A regular expression is a sequence of characters used for parsing and manipulating strings. They are often used to perform searches, replace substrings and validate string data. This article provides tips, tricks, resources and steps for going through intricate regular expressions. There are many books, articles, webs...