JSFiddle - React, Tailwind, and code Playground

by Lalji Tadhani

HTML

<input type="text" class="typing1" name="txt1" id="t1" oninput="this.value = this.value().replace(/[^a-z]/, '')" />
<input type="text" class="typing2" name="txt2" id="t2" oninput="this.value = this.value.toUpperCase().replace(/[^YN]/, '')" maxlength="1" />