Function hasCaptureGroup

internal/check/conditional.go:34–38

hasCaptureGroup reports whether `pattern` contains a capturing group -- an unescaped `(` that doesn't begin a non-capturing/extension group `(?...)`.

(pattern string)

// hasCaptureGroup reports whether `pattern` contains a capturing group -- an
// unescaped `(` that doesn't begin a non-capturing/extension group `(?...)`.
func hasCaptureGroup(pattern string) bool {
	opens := strings.Count(pattern, "(")
	noncap := strings.Count(pattern, "(?") + strings.Count(pattern, `\(`)
	return opens > noncap
}

// NewConditional creates a new `conditional`-based rule.
func NewConditional(cfg *core.Config, generic baseCheck, path string) (Conditional, error) {