Function IsSnakeCase

internal/casing/casing.go:129–136

IsSnakeCase reports whether s is in snake_case format. snake_case: only lowercase letters, digits, and underscores. Examples: "my_feature", "snake_case", "v2_api".

(s string)

// snake_case: only lowercase letters, digits, and underscores.
// Examples: "my_feature", "snake_case", "v2_api".
func IsSnakeCase(s string) bool {
	for _, r := range s {
		if !unicode.IsLower(r) && !unicode.IsDigit(r) && r != '_' {
			return false
		}
	}
	return true
}

// IsStartCase reports whether s is in Start Case format.
// Start Case: every whitespace-separated word starts with an uppercase letter.