Have you ever been a witness of such dialogues? Have you ever understood what the people talking about if they mention RegEx? Do you want to speak this language? Then, read this series of the blogs about RegEx. RegEx is a huge part and we can talk about it a long time. There are a lot of good blogs and videos to this topic and it takes a lot of time to understand all of them. In this article I want to give you a short introduction into "RegEx-World". I want you to understand what this mean and how you can use it. And If you decide to became a RegEx professional then you need to read more blogs or books also to watch more videos :). But let's start step by step Idea of RegEx: Imagine you have data like this: website.com/domain/orderpage.html?productcat=shoes&brand=12345 Moin St.&shoenumber=12345&color= black . www.blue website.com /domain/orderpage.html?=M ichle /productcat=shoes&brand= 3456 Silvester St .&shoenumber=5678&color= www...