Onchange client script validation for String variable

[Mrman]

Hi All,

I am trying to validate a String variable to check it has only Letters and does not contain numbers and it should be in below format having 13 letters

Could you help me with the Onchange Script for alpha numeric  , I tried below but not working . 

Also I am not sure how to validate the format I mentioned above .Please suggest .

[Mrman]

@Ankur Bawiskar Could you let me know if below RegEx is fine for pattern to check this condition "Minimum of 4 digits Maximum of 15"

var pattern = /^[A-Z]{4,15}$/

[Ankur Bawiskar]

Hi,

try to first check if the value is digit and then check length using length property on string and do validation

regards
Ankur

[Mrman]

@Ankur Bawiskar The pattern it should allow is "NNNNNNN NNN-N AA"

[Mohit Kaushik]

Hi Ram,

try the below regular expression:

var regx = /([A-Z]{7})+([\s]{1})+([A-Z]{3})+((-[A-Z]){1})+([\s]{1})+([A-Z]{2})/gi;

Please mark this answer as correct and helpful if it resolves the query and helpful alone if it lead you in right direction.

Thanks,

Mohit Kaushik

[Mrman]

@Mohit Kaushik I have tried RegEx you mentioned but the issue it is still allowing if I enter 16 Characters as shown below . 

Please suggest . 

GHTY45ty89UJ23ty

Below is my Client script :

function onChange(control, oldValue, newValue, isLoading) {
    if (isLoading || newValue == '') {
        return;
    }


    var pattern = /([A-Z]{7})+([\s]{1})+([A-Z]{3})+((-[A-Z]){1})+([\s]{1})+([A-Z]{2})/gi;
	var grct = g_form.getValue('u_employment_registration_book_ctps');
	
	var grctlen = grct.toString().length;
	alert("the length is :" + grctlen);

    if (!pattern.match(grct) && grctlen != 16){
		
		//if(newValue.length != 16){

        g_form.clearValue('u_employment_registration_book_ctps');
		g_form.showFieldMsg('u_employment_registration_book_ctps', 'Enter a valid CTPS ID ', 'error', true);
		//g_form.hideFieldMsg('u_employment_registration_book_ctps');
    
		//}
	}


    //Type appropriate comment here, and begin script below

}