Regular Expressions Cookbook is O’Reilly’s top seller in ebook format in 2010, leading the trend that digital publishing is poised to overtake print.

A bug in RegularExpressions.pas in Delphi XE may result in fewer matches or blank matches or in an access violation. This article explains the cause of the bug and how to fix it.

Buy Regular Expressions Cookbook as an ebook for only $9.99 on 15 September 2010 (US pacific time).

The differences between the PerlRegEx unit I wrote and the RegularExpressionsCore unit in Delphi XE are minimal. Code using the latest PerlRegEx unit can be migrated unchanged to the RegularExpressionsCore unit.

The new version of TPerlRegEx is compatible with the RegularExpressionsCore unit in Delphi XE, so you can use the same code with Delphi XE and earlier versions of Delphi.

The upcoming releases of Delphi and C++Builder will have regular expression support in the box, based in part on the TPerlRegEx component developed by yours truly.

Regular Expressions Cookbook is now available in Czech.

List of placeholders such as $1 and $& that you can use in the replacement text of JavaScript’s String.replace() function.

Regular Expressions Cookbook will be published in Japanese as 正規表現クックブック later this month.

Regular Expressions Cookbook has sold enough copies to pay for the advance royalty Steven and I received. To celebrate we’re giving away five copies of the book.

Regular Expressions Cookbook was translated into Russian.

Regular Expressions Cookbook was translated into German