JavaScript Regex Syntax Highlighter

這是一個使用正則表達式實現(xiàn)語法高亮的JavaScript庫，類似 RegexPal 使用方法如下：

var regexEls = document.getElementsByClassName("regex"),
    len = regexEls.length,
    el, text, i;

for (i = 0; i < len; i++) {
    el = regexEls[i];
    text = el.textContent || el.innerText;

    // this is where the magic happens
    el.innerHTML = highlightJsReSyntax(text);
}