Function sanitize_token 

pub(crate) fn sanitize_token(raw: &str) -> String

Normalizes namespace text into a subject-safe token.

Trims the input, lowercases ASCII letters, keeps ASCII digits, - and _, turns whitespace, . and / into -, and drops every other character. Leading and trailing - are removed.

Arguments

• raw - Text to normalize, such as a box id.

Returns

The normalized token, or unknown if nothing is left.

Examples

sanitize_token(" MU1.Box ") == "mu1-box"
sanitize_token("***")       == "unknown"