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