题解 | #替换链接#

function link() {
    let str = jsContainer.innerText;
    //let str = 'test http://www.testhaha.com test  test ';
    const w = '[a-zA-Z0-9]+'
    const reg = new RegExp(`((https://)|(http://))*w{3}\\.${w}(\\.(com|cn))+(\\?${w}=\\w*(#\\w*)*)*`,'g');
    const res = str.match(reg);

    if(!!res) {
        let attr = '';
        res.forEach( s => {
            str = str.replace(s,function(str) {
                attr = s.indexOf('www')== 0 ? 'http://' + s : s;
                return `<a href=${attr} target="_blank">${str.trim()}</a>`;
            })
        })
        jsContainer.innerHTML = str;
    }

}

link();