Function isStringDayOfMonthValue

isStringDayOfMonthValue(value: unknown): value is string
Check if given is a string representing a CronDayOfMonthValue.

Example
```
isStringDayOfMonthValue("13"); // true
isStringDayOfMonthValue("50"); // false
```
Returns
Returns true if is a string representing a CronDayOfMonthValue, false otherwise.
Parameters
- value: unknown
  
  Value to check.
Returns value is string
- Defined in src/validations/isStringDayOfMonthValue.ts:15