WIP

src/utils/isFEN.ts

@@ -0,0 +1,8 @@
+const REGEX =
+  /^([1-8kqrbnp]+\/)+[1-8kqrbnp]+ [wb] ([kq]+|-) ([a-h1-8]{2}|-) [01] \d+$/i;
+
+const isFEN = (data: string) => {
+  return REGEX.test(data.trim());
+};
+
+export default isFEN;