How to force alpha or numeric inside text fields - LiveCycle Designer 9.0 | Community
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A
Anonymous
November 9, 2010
Solved

How to force alpha or numeric inside text fields - LiveCycle Designer 9.0

  • November 9, 2010
  • 16 replies
  • 21324 views

I am creating a form that requires City, State and Zip.  I need to make sure that users do not put City, State and Zip into the City field; which someone so nicely pointed out to me as a problem with the form.  Anyway, what I am looking for is a way to force the user to only be able to enter alpha characters into the City text field.  I had glanced at the "Validation Patterns" OOTB functionality but I could not find anything listed that would complete the requirement.


Thank you,

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    Best answer by radzmar

    You can use regular expressions in the change:event of the textfield to limit the characters that can be typed in.

    Will allow only digits and the characters A-Z and a-z

    if (xfa.event.newText.match(/[^A-Za-z0-9]/))      

    {

    xfa.event.change = "";

    }

    16 replies

    radzmar
    radzmarAccepted solution
    Level 10
    November 9, 2010

    You can use regular expressions in the change:event of the textfield to limit the characters that can be typed in.

    Will allow only digits and the characters A-Z and a-z

    if (xfa.event.newText.match(/[^A-Za-z0-9]/))      

    {

    xfa.event.change = "";

    }

      A
      Anonymous
      November 9, 2010

      Thank you very much for the quick response to this question.  I used your example and tweaked it just a little to make it allow only alpha characters and then to convert to upper case.  The result that worked was this.

      if

      (xfa.event.newText.match(/[^A-Za-z]/))

      {

      xfa.event.change

      = "";

      }

      xfa.event.change

      = xfa.event.change.toUpperCase();

      Thank you again for your help.

        A
        Anonymous
        November 9, 2010

        I did run into one issue in the fact that I cannot add a space now to allow for City names that have more than one word.  What can I add to allow this space in the field?

        Thank you,

        radzmar
        radzmar
        Level 10
        November 10, 2010

        Adding a space to the regualar expression will do the trick.

        if (xfa.event.newText.match(/[^A-Za-z0-9 ]/))     

        {

        xfa.event.change = "";

        }

          R
          rickstsx04
          Level 3
          November 20, 2014

          this code won't work with my dynamic xml form. Is there a different code to make this work for dynamic xml forms? This works only if my form is saved as a static pdf.

          R
          Radhika_Magaji
          Level 2
          May 5, 2015

          Hey,

          How do i avoid space as my first character? I'd want to restrict user from entering space as my first charcter in a text field.

          Thanks,

          Radhika

          R
          Radhika_Magaji
          Level 2
          May 5, 2015

          Actually want to avoid special characters(including space) at my first character.

          Any help will be much appreciated.

          Thanks,

          Radhika

          R
          Radhika_Magaji
          Level 2
          May 5, 2015

          Hi,

          I was able to achieve this with the below in my change event:

          if(xfa.event.newText.charAt(0).match(/[ `~!@#$%^&*()-_={}|:;."<>,\\\[\]]/g))    

          {

            xfa.event.change = "";

          }

          But the above restricts numeric also from entering at first position i am assuming this is happening cuz im using chartAt() which probably checks only for string.

          I need the user to enter either alphabet or numeric at my first character.

          Please Help.

          radzmar
          radzmar
          Level 10
          May 5, 2015

          this should do the trick.


          if (!xfa.event.newText.charAt(0).match(/[a-zA-Z0-9]/g)) {

            xfa.event.change = "";

          }

            R
            Radhika_Magaji
            Level 2
            May 6, 2015

            I did try the code above few days back and it did not work

            It did today!

            I am writing the below in the exit event too, cuz the above code holds good only when the user is typing.

            if (!xfa.this.rawValue.charAt(0).match(/[a-zA-Z0-9]/g)) { 

              this.rawValue = null;

              xfa.host.setFocus(this);

            }

            Thanks a lot radzmar!

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