Before looking at how Groovy improves on the handling of the regular expression, I round out the Java example that was started above to also include an example of Java’s Matcher class in action ...

The negative here is that the number of lines of code increases from the original string primitives version, which was the initial motivation to use regular expressions. In Java we end up with six ...

A full-blown programming language like Java or Python can do many things, but regex does one thing only: match text against patterns. An individual regular expression is expressed as a string of ...