Function regexp

nested/src/modify-ecmascript.js:122–122

		: z_yaml;

	const regexp = r_source => r_source.toString().replace(/^\/(.+)\/[^/]*/, '$1');

	const match_replace = (r_find, s_replace) => g_rule => g_rule.match = g_rule.match.replace(r_find, s_replace);