如何與空間

Question

字上加包裝在JS我需要在下面的代碼整個文件文本words.using添加跨度包裝我可以能夠使用上面的代碼生病得到下面添加包裝

function walk(root) 
{ 
    if (root.nodeType == 3) // text node 
    { 
     doReplace(root); 
     return; 
    } 
    var children = root.childNodes; 
    for (var i = 0;i<children.length ;i++) 
    { 
     walk(children[i]); 
    } 
} 

function doReplace(text) 
{ 
    var start = counter; 
    counter = counter+text.nodeValue.length; 
    var div = document.createElement("div"); 

    var string = text.nodeValue; 
    var len = string.trim(); 
    if(len.length == 0){ 
     return; 
    } 

    var nespan = string.replace(/\b(\w+)\b/g,function myFunction(match, contents, offset, s){ 
     var end = start + contents.length; 
     var id = start+"_"+end; 

     start = end; 
     return "<span class='isparent' id='"+id+"'>"+contents+"</span>"; 

    }); 


    div.innerHTML = nespan; 
    var parent = text.parentNode; 
    var children = div.childNodes; 
    for (var i = children.length - 1 ; i >= 0 ; i--) 
    { 
     parent.insertBefore(children[i], text.nextSibling); 
    } 
    parent.removeChild(text); 
} 

導致

輸入：

＃1好

出來放：

<span>Stackoverflow</span> <span>is</span> <span>good</span> 

期待的結果：

<span>Stackoverflow </span><span>is </span><span>good</span> 

Answer 1

可選的空格字符到你的正則表達式，添加單詞之後，但在第二個單詞邊界之前：\b(\w+\s*)\b