正則表達式初探-獲取hello icketang內部文案

var reg = /^<.+>.+<.+>$/;
        // console.log(reg.exec("<p class='demo'>hello icketang</p>"));
        var str = "<p class='demo'>hello icketang</p>".replace(/^<.+>(.+)<.+>$/,function(match,$1){
            return $1;
        })
        console.log(str);