Function isStringMonthValue

Check if given is a string representing a CronMonthValue.

Example

isStringMonthValue("10"); // true
isStringMonthValue("OCT"); // true
isStringMonthValue("oct"); // true
isStringMonthValue("OCTOBER"); // false
isStringMonthValue("50"); // false
isStringMonthValue("INVALID"); // false

Returns

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