C/C++/ Java 로 구현된 Unicode & Globalization 지원 library. 다양한 제품과 Open Source 프로젝트에 활용되고 있음
Here are a few highlights of the services provided by ICU:
- Code Page Conversion: Convert text data to or from Unicode and nearly any other character set or encoding. ICU's conversion tables are based on charset data collected by IBM over the course of many decades, and is the most complete available anywhere.
- Collation: Compare strings according to the conventions and standards of a particular language, region or country. ICU's collation is based on the Unicode Collation Algorithm plus locale-specific comparison rules from the Common Locale Data Repository, a comprehensive source for this type of data.
- Formatting: Format numbers, dates, times and currency amounts according the conventions of a chosen locale. This includes translating month and day names into the selected language, choosing appropriate abbreviations, ordering fields correctly, etc. This data also comes from the Common Locale Data Repository.
- Time Calculations: Multiple types of calendars are provided beyond the traditional Gregorian calendar. A thorough set of timezone calculation APIs are provided.
- Unicode Support: ICU closely tracks the Unicode standard, providing easy access to all of the many Unicode character properties, Unicode Normalization, Case Folding and other fundamental operations as specified by the Unicode Standard.
- Regular Expression: ICU's regular expressions fully support Unicode while providing very competitive performance.
- Bidi: support for handling text containing a mixture of left to right (English) and right to left (Arabic or Hebrew) data.
- Text Boundaries: Locate the positions of words, sentences, paragraphs within a range of text, or identify locations that would be suitable for line wrapping when displaying the text.
- CharlockHolmes - Ruby 로 작성된 ICU 를 활용한 Character encoding detecting library
- http://www.cl.cam.ac.uk/~mgk25/unicode.html - UTF-8 and Unicode FAQ for Unix/Linux
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