bom-strip

Strip UTF-8/16/32 BOMs and stray U+FEFF code points from text before parsing or hashing.

use bom_strip::{strip_str, strip_bytes, detect_bom, Bom};
assert_eq!(strip_str("\u{FEFF}hello"), "hello");
assert_eq!(strip_bytes(&[0xEF, 0xBB, 0xBF, b'h', b'i']), &[b'h', b'i']);
assert_eq!(detect_bom(&[0xFF, 0xFE, b'a', 0]), Some(Bom::Utf16Le));

Handles UTF-32 LE before UTF-16 LE (same first two bytes). Zero deps. MIT or Apache-2.0.