Function snakeCase

snakeCase(value: string, options?: CaseOptions): string
Converts a string to snake_case.
Parameters
- value: string
  Input split on case transitions, whitespace, and punctuation.
- options: CaseOptions = {}
  Optional locale for case mapping (defaults to system locale).
Returns string
Words joined with _ in lowercase snake_case; "" when no words are detected.
Example
```
snakeCase('Foo Bar'); // 'foo_bar'
snakeCase('foo-bar'); // 'foo_bar'
snakeCase('HTMLParser'); // 'html_parser'
```
- Defined in string.ts:468