pub fn to_lower_snake_case<D: Display>(id: D) -> MiniStrExpand description
Normalizes snake_case format
- en.US => en_us
- en-US => en_us
- en-Latn-US => en_latn_us
- zh-Hans-CN => zh_hans_cn
ยงConversion Rules
- Convert to ASCII lowercase
- Replace hyphens/dots with underscores