Function isCronDayOfWeekValueString

isCronDayOfWeekValueString(value: unknown): value is CronDayOfWeekValueString
Check if given is CronDayOfWeekValueString.

Example
```
isCronDayOfWeekValueString("FRI"); // true
isCronDayOfWeekValueString("fri"); // true
isCronDayOfWeekValueString("FRIDAY"); // false
```
Returns
Returns true if is CronDayOfWeekValueString, false otherwise.
Parameters
- value: unknown
  
  Value to check.
Returns value is CronDayOfWeekValueString
- Defined in src/validations/isCronDayOfWeekValueString.ts:17