how to mask first Five digit number on keyup using *












8















For eg while i am typing my ssn number my first 5 dight must be masked to *



  123456789    =>  *****6789


Note :on keyup it should check no of digits and mask based on it.



I came through this below example. It mask the entire nine digit.



https://codepen.io/anon/pen/VROrdo










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  • 1





    Do you expect that only numbers will be in the input, or are other characters allowed too?

    – CertainPerformance
    Mar 27 at 4:20











  • yes only numbers will be given.no alphabetic or special character

    – Robin
    Mar 27 at 4:32
















8















For eg while i am typing my ssn number my first 5 dight must be masked to *



  123456789    =>  *****6789


Note :on keyup it should check no of digits and mask based on it.



I came through this below example. It mask the entire nine digit.



https://codepen.io/anon/pen/VROrdo










share|improve this question







New contributor




Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
















  • 1





    Do you expect that only numbers will be in the input, or are other characters allowed too?

    – CertainPerformance
    Mar 27 at 4:20











  • yes only numbers will be given.no alphabetic or special character

    – Robin
    Mar 27 at 4:32














8












8








8


1






For eg while i am typing my ssn number my first 5 dight must be masked to *



  123456789    =>  *****6789


Note :on keyup it should check no of digits and mask based on it.



I came through this below example. It mask the entire nine digit.



https://codepen.io/anon/pen/VROrdo










share|improve this question







New contributor




Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












For eg while i am typing my ssn number my first 5 dight must be masked to *



  123456789    =>  *****6789


Note :on keyup it should check no of digits and mask based on it.



I came through this below example. It mask the entire nine digit.



https://codepen.io/anon/pen/VROrdo







javascript






share|improve this question







New contributor




Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






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asked Mar 27 at 4:10









RobinRobin

433




433




New contributor




Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








  • 1





    Do you expect that only numbers will be in the input, or are other characters allowed too?

    – CertainPerformance
    Mar 27 at 4:20











  • yes only numbers will be given.no alphabetic or special character

    – Robin
    Mar 27 at 4:32














  • 1





    Do you expect that only numbers will be in the input, or are other characters allowed too?

    – CertainPerformance
    Mar 27 at 4:20











  • yes only numbers will be given.no alphabetic or special character

    – Robin
    Mar 27 at 4:32








1




1





Do you expect that only numbers will be in the input, or are other characters allowed too?

– CertainPerformance
Mar 27 at 4:20





Do you expect that only numbers will be in the input, or are other characters allowed too?

– CertainPerformance
Mar 27 at 4:20













yes only numbers will be given.no alphabetic or special character

– Robin
Mar 27 at 4:32





yes only numbers will be given.no alphabetic or special character

– Robin
Mar 27 at 4:32












3 Answers
3






active

oldest

votes


















8














I modified your code to mask first 5 characters. Also this is bullet proof if someone paste a copied number.



https://codepen.io/anon/pen/PLvRWw



// Replace first 5 numbers with astericks
if (displayVal.length < 6){
displayVal = displayVal.replace(/[0-9]/g, '*');
}
else{
displayVal = '*'.repeat(5) + val.slice(5);
}





share|improve this answer



















  • 1





    The cases look like they have a slightly different behavior if displayVal isn't purely composed of digits, since the true-case replaces only digits with '*' while the false-case replaces all characters in the first 5 with '*'.

    – Nat
    Mar 27 at 10:18





















0














it's worked for me https://codepen.io/anon/pen/vPwprm



<input type="text" id="fname" onkeyup="myFunction()">

function myFunction() {
var x= document.getElementById("fname");
var last = x.value.substring( x.value.length - 5);
x.value.substring( x.value.length - 5);

if(x.value.length <= 5 ){
x.value = x.value.substring(0, 5).replace(/d/g,"*");
}

}





share|improve this answer































    0














    Change your displayVal replace method regexr with following.



    displayVal = displayVal.replace(/[0-9]+5/g,i=>"*****".slice(0,i.length));





    share|improve this answer
























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      3 Answers
      3






      active

      oldest

      votes








      3 Answers
      3






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      8














      I modified your code to mask first 5 characters. Also this is bullet proof if someone paste a copied number.



      https://codepen.io/anon/pen/PLvRWw



      // Replace first 5 numbers with astericks
      if (displayVal.length < 6){
      displayVal = displayVal.replace(/[0-9]/g, '*');
      }
      else{
      displayVal = '*'.repeat(5) + val.slice(5);
      }





      share|improve this answer



















      • 1





        The cases look like they have a slightly different behavior if displayVal isn't purely composed of digits, since the true-case replaces only digits with '*' while the false-case replaces all characters in the first 5 with '*'.

        – Nat
        Mar 27 at 10:18


















      8














      I modified your code to mask first 5 characters. Also this is bullet proof if someone paste a copied number.



      https://codepen.io/anon/pen/PLvRWw



      // Replace first 5 numbers with astericks
      if (displayVal.length < 6){
      displayVal = displayVal.replace(/[0-9]/g, '*');
      }
      else{
      displayVal = '*'.repeat(5) + val.slice(5);
      }





      share|improve this answer



















      • 1





        The cases look like they have a slightly different behavior if displayVal isn't purely composed of digits, since the true-case replaces only digits with '*' while the false-case replaces all characters in the first 5 with '*'.

        – Nat
        Mar 27 at 10:18
















      8












      8








      8







      I modified your code to mask first 5 characters. Also this is bullet proof if someone paste a copied number.



      https://codepen.io/anon/pen/PLvRWw



      // Replace first 5 numbers with astericks
      if (displayVal.length < 6){
      displayVal = displayVal.replace(/[0-9]/g, '*');
      }
      else{
      displayVal = '*'.repeat(5) + val.slice(5);
      }





      share|improve this answer













      I modified your code to mask first 5 characters. Also this is bullet proof if someone paste a copied number.



      https://codepen.io/anon/pen/PLvRWw



      // Replace first 5 numbers with astericks
      if (displayVal.length < 6){
      displayVal = displayVal.replace(/[0-9]/g, '*');
      }
      else{
      displayVal = '*'.repeat(5) + val.slice(5);
      }






      share|improve this answer












      share|improve this answer



      share|improve this answer










      answered Mar 27 at 6:26









      Masoud KeshavarzMasoud Keshavarz

      86511228




      86511228








      • 1





        The cases look like they have a slightly different behavior if displayVal isn't purely composed of digits, since the true-case replaces only digits with '*' while the false-case replaces all characters in the first 5 with '*'.

        – Nat
        Mar 27 at 10:18
















      • 1





        The cases look like they have a slightly different behavior if displayVal isn't purely composed of digits, since the true-case replaces only digits with '*' while the false-case replaces all characters in the first 5 with '*'.

        – Nat
        Mar 27 at 10:18










      1




      1





      The cases look like they have a slightly different behavior if displayVal isn't purely composed of digits, since the true-case replaces only digits with '*' while the false-case replaces all characters in the first 5 with '*'.

      – Nat
      Mar 27 at 10:18







      The cases look like they have a slightly different behavior if displayVal isn't purely composed of digits, since the true-case replaces only digits with '*' while the false-case replaces all characters in the first 5 with '*'.

      – Nat
      Mar 27 at 10:18















      0














      it's worked for me https://codepen.io/anon/pen/vPwprm



      <input type="text" id="fname" onkeyup="myFunction()">

      function myFunction() {
      var x= document.getElementById("fname");
      var last = x.value.substring( x.value.length - 5);
      x.value.substring( x.value.length - 5);

      if(x.value.length <= 5 ){
      x.value = x.value.substring(0, 5).replace(/d/g,"*");
      }

      }





      share|improve this answer




























        0














        it's worked for me https://codepen.io/anon/pen/vPwprm



        <input type="text" id="fname" onkeyup="myFunction()">

        function myFunction() {
        var x= document.getElementById("fname");
        var last = x.value.substring( x.value.length - 5);
        x.value.substring( x.value.length - 5);

        if(x.value.length <= 5 ){
        x.value = x.value.substring(0, 5).replace(/d/g,"*");
        }

        }





        share|improve this answer


























          0












          0








          0







          it's worked for me https://codepen.io/anon/pen/vPwprm



          <input type="text" id="fname" onkeyup="myFunction()">

          function myFunction() {
          var x= document.getElementById("fname");
          var last = x.value.substring( x.value.length - 5);
          x.value.substring( x.value.length - 5);

          if(x.value.length <= 5 ){
          x.value = x.value.substring(0, 5).replace(/d/g,"*");
          }

          }





          share|improve this answer













          it's worked for me https://codepen.io/anon/pen/vPwprm



          <input type="text" id="fname" onkeyup="myFunction()">

          function myFunction() {
          var x= document.getElementById("fname");
          var last = x.value.substring( x.value.length - 5);
          x.value.substring( x.value.length - 5);

          if(x.value.length <= 5 ){
          x.value = x.value.substring(0, 5).replace(/d/g,"*");
          }

          }






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Mar 27 at 4:38









          ahmetahmet

          14012




          14012























              0














              Change your displayVal replace method regexr with following.



              displayVal = displayVal.replace(/[0-9]+5/g,i=>"*****".slice(0,i.length));





              share|improve this answer




























                0














                Change your displayVal replace method regexr with following.



                displayVal = displayVal.replace(/[0-9]+5/g,i=>"*****".slice(0,i.length));





                share|improve this answer


























                  0












                  0








                  0







                  Change your displayVal replace method regexr with following.



                  displayVal = displayVal.replace(/[0-9]+5/g,i=>"*****".slice(0,i.length));





                  share|improve this answer













                  Change your displayVal replace method regexr with following.



                  displayVal = displayVal.replace(/[0-9]+5/g,i=>"*****".slice(0,i.length));






                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Mar 27 at 4:49









                  Laxmikant DangeLaxmikant Dange

                  5,55533157




                  5,55533157






















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