How do I validate day and month?

How do I validate day and month?

By : user2953591
Date : November 21 2020, 01:01 AM
will be helpful for those in need I have both drop down lists for day and month but textbox for year. please go easy on me I'm a total noob in html, php or css. How do I check if its a valid date? e.g (No 31 April, Leap years) EDIT: This is for input of date of birth. I would like to check if their date of birth input is valid or not. , you can not validate but you can generate data and year
try this
code :
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
         $(function() {

  <p>Date: <input type="text" id="datepicker" /></p>
          <select name="month" onChange="changeDate(this.options[selectedIndex].value);">
<option value="na">Month</option>
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option>
<select name="day" id="day">
<option value="na">Day</option>

<script language="JavaScript" type="text/javascript">
function changeDate(i){
var e = document.getElementById('day');
var j=-1;
else if(i==2)
else if(i==4||i==6||i==9||i==11)
var s=document.createElement('option');
var e=document.getElementById('day');
y = 1993;
while (y-->1940){
var s = document.createElement('option');
var e = document.getElementById('year');

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Regex to validate day and Month of a given day in PHP

Regex to validate day and Month of a given day in PHP

By : Rebecca C
Date : March 29 2020, 07:55 AM
I hope this helps you . I am trying to write a regex expressions in PHP to validate two variables: , You would be better off using simple php opperators,e.g.
code :
if( $months > 0 && $months < 32 )
Validate input for month

Validate input for month

By : jgfenix
Date : March 29 2020, 07:55 AM
it helps some times This is a regex solution, you just need to test if your string matches this regex:
code :
[0-9]{2}[\.:][0-9]{2} [A-Z][a-z]{4,7} ([0-2][0-9]|[3][01])\/(0[1-9]|1[12])
var str = "19.30 Friday 2/10";
var regex= /[0-9]{2}[\.:][0-9]{2} [A-Z][a-z]{4,7} [0-9]\/[0-9]{2}/
if (str.match(regex)) {
  alert("String matched .");
} else {
  alert("String unmatched !!");
[0-9]{2}[\.:][0-9]{2} [A-Z][a-z]{4,7} [0-9]\/[0-9]{2}
How to validate days of month using jQuery Validate?

How to validate days of month using jQuery Validate?

By : Samuel Bonnett
Date : March 29 2020, 07:55 AM
To fix the issue you can do After a long research i was been able to achieve the functionality, below is my code
code :
BirthDay: {
required: {
depends: function (element) {
    return $('#TypeID').val() == '11' || $('#TypeID').val() == '12'
number: true,
range: [1, 31],
validateDate: true
BirthDayMonth: {
required: {
depends: function (element) {
    return $('#TypeID').val() == '11' || $('#TypeID').val() == '12'
number: true,
range: [1, 12]
jQuery.validator.addMethod("validateDate", function (value, element) {
if ($('#BirthDayMonth').val() != '') {
    var month = $('#BirthDayMonth').val();
    var day = $('#BirthDay').val();
    var result = false;
    if (month % 2 != 0) {
     result = day <= 31;
    } else {
    if (month == 2) {
    result = day <= 29
    } else {
    result = day <= 30;
    return result;
} else
    return true;
}, "Entered date doesnot exist in the month.");
Validate Month input 01 and 1?

Validate Month input 01 and 1?

By : Pj Williamson
Date : March 29 2020, 07:55 AM
hop of those help? I need an int value for both inputs. Either the user write 1 or 01 for January. , You get your own error because you don't use the right input :
code :
monthNumber = inputText();
int number = Integer.parseInt(monatZahl);
//-----------------------------^^-----------this should be monthNumber
int number = Integer.parseInt(monthNumber);

if (number < 1 || number > 12) {
    again = true;
    throw new Exception();
int i1 = Integer.parseInt("01");
int i2 = Integer.parseInt("1");
How do I display the Month, Month + 1, Month +2, Month +3, Month +4 in a separate column depending on the date?

How do I display the Month, Month + 1, Month +2, Month +3, Month +4 in a separate column depending on the date?

By : Ouissam Gouni
Date : March 29 2020, 07:55 AM
will be helpful for those in need You could use CROSS APPLY to calculate the 5 dates in your final SELECT statement and calculate the month-year-strings using DATENAME:
code :
SELECT hotel_id, snapdate, month, year,
  DATENAME(MM, snapdateex) + N' ' + DATENAME(YYYY, snapdateex) AS Month_TY
FROM @snaps
    (DATEADD(month, 1, snapdate)),
    (DATEADD(month, 2, snapdate)),
    (DATEADD(month, 3, snapdate)),
    (DATEADD(month, 4, snapdate))) AS hlp(snapdateex)
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