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Part 4: Regular Expressions
Last time we left off with a GUI for our keyword checker program. What would be the next logical building block to add now that we have our checker with a nice preview pane? Well the preview pane is not too handy if it does not show the part that we are looking for, so let us improve that today. We will use regular expressions to achieve this. In short, a regular expression acts as a text search, but instead of using a specific keyword to search for, it is generally more effective with a pattern that finds a set of text results that match this pattern. So our first piece of code is to add a reference to System.Text.RegularExpressions at the top of our form code. http://www.edvella.com/Post/23/Beginners_C_Part_4_Regular_Expressions
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|Keyword Checker (Beginner's C# Tutorial Series)|
|This project is the accompanying code for the beginner's C# tutorial at [edvella.com](<http://www.edvella.com/Post/20/Beginners_Scraping_With_C_Part_1>).|