func golang.org/x/mod/module.modPathOK

3 uses

	golang.org/x/mod/module (current package)
		module.go#L252: func modPathOK(r rune) bool {
		module.go#L270: 	return modPathOK(r) || r == '+'
		module.go#L434: 			ok = modPathOK(r)