Jan Goyvaerts
Regular Expressions Cookbook is written by Jan Goyvaerts and Steven Levithan, two
of the world’s experts on regular expressions.
Jan Goyvaerts runs Just Great Software, where he designs and develops some of the
most popular regular expression software. His products include RegexBuddy, the
world’s only regular expression editor that emulates the peculiarities of 15 regular expression
flavors, and PowerGREP, the most feature-rich grep tool for Microsoft