-- Using Regular Expressions --

The Eclipse Checkstyle plug-in makes use of regular expressions in a number of places. To get the most out of the plug-in and Checkstyle you will want to become familiar with regular expressions and how to write them.
To make regular expressions a bit easier to you the Checkstyle plug-in provides content assist wherever a regular expression is needed.

Content assist for regular expressions

Apart from this a tutorial on regular expressions is beyond the scope of this on-line documentation, but information and tutorials on regular expressions can be found at the sites below.

Sites with information about regular expressions: