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Editorial Team
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Asked: 2026-06-18T09:33:10+00:00

I wanted to conduct a validation in javascript for some input and return valid

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I wanted to conduct a validation in javascript for some input and return valid if it is a valid Html tag.

Is there any easy way using JQuery to do that? If not then is there any way I can do it using Regex?

Thanks:)

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1 Answer

  1. Editorial Team

    You could just make an array of valid tags then use jQuery.inArray(tag, validTags);

    var validTags = ["<html>","<body>","<div>"];
var valid = function(tag){
    return $.inArray(tag,validTags);
}
var x = valid("<body>"); //evaluates to true

    Here is a regex to get you started if you want to accept any tag name with only letters. It’s not been thoroughly tested, but is designed to accept one or more case-insensitive letters. If you also want to allow numbers, add in a \d between the brackets too e.g. [A-Za-Z\d].

    var validTag = /^<\/?[A-Za-z]+>$/;
var valid = function(tag){
  return validTag.test(tag);
}

    See this page for more regex help.

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