JSFiddle - React, Tailwind, and code Playground

by venkateshwar

HTML

<span class="someClass position1">span1</span>

<span class="someClass">span2</span>

<span class="someClass">span3</span>

<span class="someClass position2">span4</span>

<span class="someClass">span5</span>

<span class="someClass position4">span6</span>

<span class="someClass position10">span7</span>

<span class="someClass">span8</span>

<span class="someClass position12">span9</span>

JavaScript

$('.someClass').filter(function () {
        return /(\s|^)position[0-9]+(\s|$)/.test(this.className);
    }).css('background-color', 'silver');