Match one or more whitespace characters

actions-workflow-parser/src/model/converter/cron.test.ts

@@ -19,6 +19,7 @@ describe("isValidCron", () => {
     "0 0 * * SUN-TUE",
     "0 0 * * SUN-2",
     "0 2-4/5 * * *",
+    "0   0  *  *               *",
   ]
 
   for (const cron of valid) {

actions-workflow-parser/src/model/converter/cron.ts

@@ -27,7 +27,7 @@ const DAYS = {
 export function isValidCron(cron: string): boolean {
   // https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#schedule
 
-  const parts = cron.split(" ")
+  const parts = cron.split(/ +/)
   if (parts.length != 5) {
     return false
   }