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.
List of placeholders such as $1 and $& that you can use in the replacement text of JavaScript’s String.replace() function.
Delphi 2010 fixes the bug that caused internal errors when linking in the PCRE OBJ files if TPerlRegEx is installed into a design time package. The latest TPerlRegEx uses the OBJ files by default for Delphi 2010, and the DLL for earlier versions.
TPerlRegEx was updated to fix a crash bug when freeing the component when compiling it with the DLL.
TPerlRegEx for Delphi 2009 had a rather embarrasing bug: it didn’t actually enable the UTF-8 support in PCRE if you did not set the Options property to something different than the default.
The R language is now covered on regular-expressions.info, and supported by RegexBuddy.
Windows PowerShell is now covered on regular-expressions.info, and supported by RegexBuddy.
TPerlRegEx is a Delphi VCL component wrapper around the open source PCRE library. I originally developed it for in-house use. It powered EditPad Pro 4 and 5, PowerGREP 1 and 2, and RegexBuddy 1. The latest versions of these products use a custom-built regular expression engine. The custom-built engine can do [...]
A RegexBuddy user pointed me to LIB_MYSQLUDF_PREG. This is an open source library of MySQL user functions that imports the PCRE library.
MySQL’s built-in regular expression support uses the POSIX ERE flavor. By todays standards, that flavor offers limited regex functionality. PCRE on the other hand offers all the goodies from Perl and [...]