100 lines
2.8 KiB
Markdown
100 lines
2.8 KiB
Markdown
Iterators which split strings on Grapheme Cluster or Word boundaries, according
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to the [Unicode Standard Annex #29](http://www.unicode.org/reports/tr29/) rules.
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[](https://travis-ci.org/unicode-rs/unicode-segmentation)
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[Documentation](https://unicode-rs.github.io/unicode-segmentation/unicode_segmentation/index.html)
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```rust
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use unicode_segmentation::UnicodeSegmentation;
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fn main() {
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let s = "a̐éö̲\r\n";
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let g = s.graphemes(true).collect::<Vec<&str>>();
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let b: &[_] = &["a̐", "é", "ö̲", "\r\n"];
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assert_eq!(g, b);
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let s = "The quick (\"brown\") fox can't jump 32.3 feet, right?";
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let w = s.unicode_words().collect::<Vec<&str>>();
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let b: &[_] = &["The", "quick", "brown", "fox", "can't", "jump", "32.3", "feet", "right"];
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assert_eq!(w, b);
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let s = "The quick (\"brown\") fox";
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let w = s.split_word_bounds().collect::<Vec<&str>>();
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let b: &[_] = &["The", " ", "quick", " ", "(", "\"", "brown", "\"", ")", " ", " ", "fox"];
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assert_eq!(w, b);
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}
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```
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# no_std
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unicode-segmentation does not depend on libstd, so it can be used in crates
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with the `#![no_std]` attribute.
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# crates.io
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You can use this package in your project by adding the following
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to your `Cargo.toml`:
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```toml
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[dependencies]
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unicode-segmentation = "1.9.0"
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```
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# Change Log
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## 1.7.1
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* Update docs on version number
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## 1.7.0
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* [#87](https://github.com/unicode-rs/unicode-segmentation/pull/87) Upgrade to Unicode 13
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* [#79](https://github.com/unicode-rs/unicode-segmentation/pull/79) Implement a special-case lookup for ascii grapheme categories
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* [#77](https://github.com/unicode-rs/unicode-segmentation/pull/77) Optimization for grapheme iteration
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## 1.6.0
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* [#72](https://github.com/unicode-rs/unicode-segmentation/pull/72) Upgrade to Unicode 12
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## 1.5.0
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* [#68](https://github.com/unicode-rs/unicode-segmentation/pull/68) Upgrade to Unicode 11
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## 1.4.0
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* [#56](https://github.com/unicode-rs/unicode-segmentation/pull/56) Upgrade to Unicode 10
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## 1.3.0
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* [#24](https://github.com/unicode-rs/unicode-segmentation/pull/24) Add support for sentence boundaries
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* [#44](https://github.com/unicode-rs/unicode-segmentation/pull/44) Treat `gc=No` as a subset of `gc=N`
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## 1.2.1
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* [#37](https://github.com/unicode-rs/unicode-segmentation/pull/37):
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Fix panic in `provide_context`.
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* [#40](https://github.com/unicode-rs/unicode-segmentation/pull/40):
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Fix crash in `prev_boundary`.
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## 1.2.0
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* New `GraphemeCursor` API allows random access and bidirectional iteration.
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* Fixed incorrect splitting of certain emoji modifier sequences.
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## 1.1.0
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* Add `as_str` methods to the iterator types.
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## 1.0.3
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* Code cleanup and additional tests.
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## 1.0.1
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* Fix a bug affecting some grapheme clusters containing Prepend characters.
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## 1.0.0
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* Upgrade to Unicode 9.0.0.
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