Check if given is a string representing a CronYearValue.
CronYearValue
isStringYearValue("1989"); // trueisStringYearValue("3000"); // false
Returns true if is a string representing a CronYearValue, false otherwise.
true
false
Value to check.
Check if given is a string representing a
CronYearValue
.Example
Returns
Returns
true
if is a string representing aCronYearValue
,false
otherwise.