I’ve created the RegexDemo application to demonstrate Java’s regular expressions and the various methods located in the Pattern, Matcher, and PatternSyntaxException classes.

All but the most casual Linux users no doubt have encountered regular expressions, if only in a cursory manner. Regular expressions are extremely powerful and flexible pattern-matching and -replacing ...

The Pattern class documentation (part of the java.util.regex package) documents “regular expression constructs,” but the simple application demonstrated in this post provides an easy to way to ...