Author: [Jeffrey E. F. Friedl]

WWW book information: http://www.oreilly.com/catalog/regex/

More book information: http://enterprise.ic.gc.ca/%7Ejfriedl/regex/

This book explains [regular expressions] in general, and then covers a number of different tools explaining specialized variations.  The book focuses more on Perl, but Tcl is one of the tools covered in its own special section. And more...

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[regexp] - [regsub]
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There is a helpful errata section for this book on O'Reilly's site at: http://public.yahoo.com/~jfriedl/regex/errata.html
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[Category Book]