Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the ...

A regex construct, specified as a backslash character () followed by a digit character denoting a capturing group number, that recalls a capturing group’s captured text characters.

“Globbing” is an informal version of the term “filename expansion.” Using special patterns, you can identify filenames based ...

A long time ago, I wrote a utility for an employer that allowed testers to perform verification on data coming out of a hardware box using a regular expression language. It allowed users to evaluate ...

The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

If you consider yourself a good cook, you may or may not know how to make a souffle or baklava. But there are certain things you probably do know how to do that form the basis of many recipes. For ...

In our last lesson we started looking at the basics of using regular expressions in PowerShell. Let's see what else we can do. Notice the carat inside the bracket. I had explained that ^ is used as an ...

Whether you are parsing logs or validating input, using regular expressions is a great way to accomplish both of these things. The problem is: regular expressions can be hard and that will only grow ...

You know the maxim, “Give a man to fish and he eats for a day; teach a man to fish and he eats for a lifetime”? A similar adage applies to anyone who spends a lot of time working with text on their ...