Function isStringDayOfWeekValue

Check if given is a string representing a CronDayOfWeekValue.

Example

isStringDayOfWeekValue("5"); // true
isStringDayOfWeekValue("FRI"); // true
isStringDayOfWeekValue("fri"); // true
isStringDayOfWeekValue("FRIDAY"); // false
isStringDayOfWeekValue("10"); // false
isStringDayOfWeekValue("INVALID"); // false

Returns

Returns true if is a string representing a CronDayOfWeekValue, false otherwise.