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pub const TEXT_FLOW_CONTROL_CHARS: &[char] = &[
'\u{202A}', '\u{202B}', '\u{202D}', '\u{202E}', '\u{2066}', '\u{2067}', '\u{2068}', '\u{202C}',
'\u{2069}',
];
#[inline]
pub fn contains_text_flow_control_chars(s: &str) -> bool {
// Char - UTF-8
// U+202A - E2 80 AA
// U+202B - E2 80 AB
// U+202C - E2 80 AC
// U+202D - E2 80 AD
// U+202E - E2 80 AE
// U+2066 - E2 81 A6
// U+2067 - E2 81 A7
// U+2068 - E2 81 A8
// U+2069 - E2 81 A9
let mut bytes = s.as_bytes();
loop {
match core::slice::memchr::memchr(0xE2, &bytes) {
Some(idx) => {
// bytes are valid UTF-8 -> E2 must be followed by two bytes
let ch = &bytes[idx..idx + 3];
match ch {
[_, 0x80, 0xAA..=0xAE] | [_, 0x81, 0xA6..=0xA9] => break true,
_ => {}
}
bytes = &bytes[idx + 3..];
}
None => {
break false;
}
}
}
}
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