Userscript to bold characters at start of each word.

userscript_embiggen.js

// ==UserScript==
// @name         First character highlight
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Highlight the first 2 characters of words to aid with readability
// @author       salmonmoose
// @match        *://*/*
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @grant        none
// ==/UserScript==
/* global $ */
/* global jQuery */
(function() {
    'use strict';

    var stylesheet = `
    .userscript_embiggen {
        font-weight: bold;
    }
    `;

    jQuery.fn.embiggen = function () {

        const regex = /\b(\w{2})(\w*)([^\w]*)/g;

        return this.each(function () {
            var matches = $(this).text().matchAll(regex);
            $(this).text("");

            for (const match of matches) {
                var $bold = $("<span>", {"class": "userscript_embiggen"});

                $bold.text(match[1]);
                $rest.text(match[2]);

                $(this).append($bold, match[2], match[3]);
            };
        });
    };

    function createUserStyleSheets() {
        var $styles = $("<style>");
        $styles.text(stylesheet);
        $('body').append($styles);
    }

    createUserStyleSheets();
    $('span').embiggen();
    $('p').embiggen();
})();