A language for validating XML documents. Tutorial, specification and sample implementation in Java.

A lesson explains how to use the java.util.regex API for pattern matching with regular expressions. Although the syntax accepted by this package is similar to the Perl programming language, knowledge of Perl is not a prerequisite. This lesson starts w...

Regular expressions are a useful programming tool. The fact that Java now natively supports them simplifies many programming tasks that used to require cumbersome code. A description of the new features on earthweb.com.

Applets reads simple regular expressions and builds a state machine that recognizes regular expression. Provided source code is appropriate for educational purposes.

Provides a package to perform Regular Expressions in Java. Documentation and download including source.

Lightweight regular expressions pattern matcher. [Open Source, BSD-like]

A set of text-processing classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, and filtering filenames. This library is the open source succ...

A regular expression API for textual pattern matching based on the finite state automaton theory written in Java. It also offers set operations (union, intersection, difference, complement) for combination of automatons. [Open source, LGPL]

A package that provides a mechanism for compiling and matching regular expressions in Java. Download, documentation and news.

Regular expression support that offers a superset of Perl5.6 regex syntax, compatibility with JDK 1.1). Includes documentation, examples, and demonstration applet. [Open Source, BSD-like]