Coloring ALL CAPS words

[hkr]

@DerIshmaelite

I would like to get Anki to recognize ALLCAPS words strictly and color them in red, blue, and green alternating in repeat

Try the following:

Template

<script>
    {
        const colors = ["red", "blue", "green"];
        // Words with all letters capitalized,
        // except for words with only one letter, such as I.
        const allCapsWordRegex = /\b[A-Z]{2,}\b/g;
        let colorIndex = 0;

        function containsAllCapsWords(str) {
            return allCapsWordRegex.test(str);
        }

        function replacer(match) {
            const color = colors[colorIndex % colors.length];
            colorIndex++;
            return `<span style="color: ${color};">${match}</span>`;
        }

        function colorizeAllCapsWords(text) {
            return text.replace(allCapsWordRegex, replacer);
        }

        function maybeReplaceTextNode(node) {
            if (containsAllCapsWords(node.textContent)) {
                const newHtml = colorizeAllCapsWords(node.textContent);
                const newNode = document.createElement("span");
                newNode.innerHTML = newHtml;
                node.parentNode.replaceChild(newNode, node);
            }
        }

        const treeWalker = document.createTreeWalker(
            document.body,
            NodeFilter.SHOW_TEXT,
            (node) =>
                ["SCRIPT", "STYLE"].includes(node.parentNode.nodeName)
                    ? NodeFilter.FILTER_REJECT
                    : NodeFilter.FILTER_ACCEPT,
        );

        while (treeWalker.nextNode()) {
            maybeReplaceTextNode(treeWalker.currentNode);
        }
    }    
</script>

Screenshot