rtl-flip-detect 0.1.0

Detect right-to-left override (U+202E) and other bidi-control characters that flip rendering of strings. Used in filename-spoof and prompt-injection attacks. Zero deps.
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  • Source code size: 17.82 kB This is the summed size of all the files inside the crates.io package for this release.
  • Documentation size: 250.26 kB This is the summed size of all files generated by rustdoc for all configured targets
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  • this release: 30s Average build duration of successful builds.
  • all releases: 30s Average build duration of successful builds in releases after 2024-10-23.
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rtl-flip-detect

crates.io

Detect bidi-control characters (U+202A–U+202E, U+2066–U+2069) that flip rendered direction. Catches evil\u{202E}cod.exe filename-spoof and similar tricks inside LLM tool args.

use rtl_flip_detect::{has_rtl_flip, strip_rtl_flips};
let s = "evil\u{202E}cod.exe";
assert!(has_rtl_flip(s));
assert_eq!(strip_rtl_flips(s), "evilcod.exe");

Zero deps. MIT or Apache-2.0.