JSFiddle - React, Tailwind, and code Playground

by Rupesh Kokal

HTML

In below field you should be able to to type letters but not numbers<br>
<input type="text" name="field"  >
<button onclick="TestText();">
Test
</button>

JavaScript

function TestText()
{
	var ele = document.getElementsByName("field")[0];
	var val = ele.value;
  var reg = new RegExp("^[\p{L}]+$","u");
  alert(reg.test(val));
  //onkeydown="return /\p{L}/u.test(event.key)"
}