Unicode encompasses a wide variety of languages which can.That are only adapted to handle small character sets will not scale Unicode is a large character set-regular expression engines.The following issues are involved in supporting Unicode. Starting in 1999, this document has supplied guidelines and conformance levels for supporting Unicode in regular expressions. They are a key component of many programming languages, databases, and spreadsheets. Regular expressions are a powerful tool for using patterns to search and modify text. Resolving Character Classes with Strings and ComplementĪnnex E: Notation for Properties of Strings Sample Collation Grapheme Cluster Code (Retracted) 3 Tailored Support: Level 3 (Retracted).Grapheme Clusters and Character Classes with Strings 1.2.6 Script and Script Extensions Properties.įor more information about versions of the Unicode Standard, see. įor a list of current Unicode Technical Reports, see. Related information that is useful in understanding this document is found in theįor the latest version of the Unicode Standard, see. Please submit corrigenda and other comments with the online reporting Material or cited as a normative reference by other specifications.Ī Unicode Technical Standard (UTS) is an independent specification.Ĭonformance to the Unicode Standard does not imply conformance to any UTS. This is a stable document and may be used as reference Interested parties, and has been approved for publication by the UnicodeĬonsortium. This document has been reviewed by Unicode members and other Regular expression engines to use Unicode. This document describes guidelines for how to adapt Unicode® Technical Standard #18 Unicode Regular Expressions Version

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