Complete your introduction to the Regex API, then find out how regular expressions make quicker work of common tasks like code documentation and lexical analysis.

The Java Tutorials ‘s lesson on regular expressions introduces Java’s support for regular expressions via the java.util.regex package and highlights the two classes Pattern and Matcher.

The java.util.regex package is breathtaking in the thoroughness of its implementation and, as always, is meticulously documented. Even more obscure regex arcana are present, such as lookaheads and ...