<!-- FIND, STYLE AND REPLACE MATCHING STRINGS --> 
<script>
document.addEventListener('DOMContentLoaded', () => {
  const selector = 'h1, p, li' // Separate HTML, Class or ID Selectors with commas
  const identifier = 'Find me'  // String you want to find and wrap
  const replacementString = '' // Leave blank if you want to keep original string
  const addClassToIdentifier = 'identifier' // Class that gets added to the span for styling
  
  // No need to touch anything below
  const pattern = new RegExp(`\\b(${identifier})`, 'gi');
	const replacement = !replacementString ? `<span class="${addClassToIdentifier}">$1</span>` : `<span class="${addClassToIdentifier}">${replacementString}</span>`;
	Array.from(document.querySelectorAll(selector)).forEach((element) => {
		element.innerHTML = element.innerHTML.replace(pattern, replacement);
	});
});
</script>