backend v4 half

2025-07-18 09:20:40 +02:00
parent aba7a506ad
commit 725516ad6c
4183 changed files with 217684 additions and 75056 deletions
@@ -0,0 +1,8 @@
+import assertString from './util/assertString';
+
+// see http://isrc.ifpi.org/en/isrc-standard/code-syntax
+var isrc = /^[A-Z]{2}[0-9A-Z]{3}\d{2}\d{5}$/;
+export default function isISRC(str) {
+  assertString(str);
+  return isrc.test(str);
+}