Custom Server-Side Validation

Question

Hello,

I tried to add a custom validation for a field but it doesn't work.

I have added to the field for validation a "custom function" with the name "customCheck"

Then in the onload Event before everything else I have added a Load Javascript block.
Inside the block I have added my function:

function customCheck(el){
  if ( !el.value.test(/[A-Z]{2,2}[0-9]{2,2}[a-zA-Z0-9]{1,30}/) ) {
    el.errors.push("Please enter a valid IBAN!");
      return false;
  } else {
    return true;
  }
}

Am I doing something wrong? Nothing different happened. Can somebody help?

Thanks a lot in advance.

Max_admin · Accepted Answer

Please try to edit the code a little bit since this is v5:


function customCheck(el){
  if ( !el.val().match(/[A-Z]{2,2}[0-9]{2,2}[a-zA-Z0-9]{1,30}/) ) {
      return false;
  } else {
    return true;
  }
}

Your error message should be added to the "Title" field in your element settings!
Additionally, this is a custom client side validation, not server side!

Regards,
Max

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Custom Server-Side Validation