I want to validate, that for certain answers in multiple form fields, only positive integer numbers can be entered AND that the values can be between 1 and 300

Hi @ElleJBee,I was able to find a JS solution for your query using regex provided by @tannerfaragher, please add below JS code in the form field question:Qualtrics.SurveyEngine.addOnload(function(){/*Place your JavaScript here to run when the page loads*/});Qualtrics.SurveyEngine.addOnReady(function(){let regex = /^(?:[1-9]|[1-9][0-9]|[12][0-9]{2}|300)$/;jQuery("#"+this.questionId+" input").on('input', function() { if (regex.test(jQuery(this).val())) { jQuery('#NextButton').show(); } else { jQuery('#NextButton').hide(); }});});Qualtrics.SurveyEngine.addOnUnload(function(){/*Place your JavaScript here to run when the page is unloaded*/});This code hides the "Next” button if regex does not mtaches.Hope this resolves your query😊!!

Thanks so much. I probably should have explained that my form fields are ‘carry forward’ from the previous question, presented as multiple choice with multiple options:Q1 ‘Have you ever donexyzQ2 [Carry forward if indicated in Q1] How often have you donez (for example) - this is a form field.From what I can see, I can’t have multiple text boxes to pick up the carry forward responses, so I’ve had to use multiple form fields. However, I don’t seem to be able to edit the validation of these form fields to numeric integer. It looks as though it might be possible with JavaScript, but I don’t know how.

Javascript code to validate numeric integer only

Javascript code to validate numeric integer only | XM Community

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