Tuesday, April 12, 2011

PRI #182: Proposed Update UTS #18, Unicode Regular Expressions

The Unicode Technical Committee has posted a new issue for public review and comment. Details are on the following web page:


Review period for this item closes on May 6, 2011.

Please see the page for links to discussion and relevant documents. Briefly, the new issue is:

PRI #182: Proposed Update UTS #18

A proposed update for UTS #18, Unicode Regular Expressions has been posted by the Unicode Consortium at http://unicode.org/reports/tr18/proposed.html . Feedback on this draft is welcome, especially from regular expression engine developers and users. The main changes in this update include:

* Changes in conformance clauses for PRI #179, Changes to Unicode Regular Expression Guidelines
* A new conformance clause for Level 2: RL2.7 Full Properties.
* Simplification of the definition of \p{blank} in Annex C Compatibility Properties.
* Clarifications of various conformance issues.

The review period for feedback closes on May 6, 2011; feedback on the document will be reviewed at the May Unicode Technical Committee meeting.

If you have comments for official UTC consideration, please post them by submitting your comments through our feedback & reporting page:


If you wish to discuss issues on the Unicode forum or the Unicode mail list, then please use the following links to subscribe (if necessary). Please be aware that discussion comments on the Unicode mail list are not automatically recorded as input to the UTC. You must use the reporting link above to generate comments for UTC consideration.