In this lesson, you’ll learn how to use RegEx (regular expressions) to work with sets of characters. Unlike the ., which matches any single character , sets enable you to match specific ...

A quick run down on how you can use regular expressions in your own programs to give you more power over searching and substituting text.

For simpler and more efficient coding, Java offers the Regex API. This two-part tutorial helps you get started with regular expressions and the Regex API.

Regular Expression: A sequence of characters defining a specific search pattern, primarily used for pattern matching within strings.