const regex = /该网站共有\s*<b[^>]*>([^<]*)<\/b>/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('该网站共有\\s*<b[^>]*>([^<]*)<\\\/b>', 'g')
const str = `该网站共有 <b style="color:#333">1,647</b></b>
个网页被百度收录 </span>
<a class="c-gap-left" href="http://www.baidu.com/link?url=VJVYQ4ICi27sRCzv-qcP6aqwAFaTejX2cxgqpybZ5hSywsOxqZlnjP29Y930JNV8EHBPc4O7XPBnOOsZTAJRCK" target="_blank">到站长平台分析收录量>></a>
</p>`;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions