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Showing content from https://github.com/rust-lang/rust/issues/27721 below:

Tracking issue for string patterns · Issue #27721 · rust-lang/rust · GitHub

(Link to original RFC: rust-lang/rfcs#528)

This is a tracking issue for the unstable pattern feature in the standard library. We have many APIs which support the ability to search with any number of patterns generically within a string (e.g. substrings, characters, closures, etc), but implementing your own pattern (e.g. a regex) is not stable. It would be nice if these implementations could indeed be stable!

Some open questions are:

• Have these APIs been audited for naming and consistency?
• Are we sure these APIs are as conservative as they need to be?
• Are we sure that these APIs are as performant as they can be?
• Are we sure that these APIs can be used to implement all the necessary forms of searching?

cc @Kimundi

stanislav-tkach, GrayJack, dima74, kaleidawave, ChayimFriedman2 and 25 morebjoernagereliascarv

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