使用符号或符号替换HTML标签值

Question

<span class="fwb">Harry and David</span> 

<span class="fcg">Business Intelligence Developer/Analyst</span> 
<span class="fcg">Oct 1998 to present</span> 
<span class="fcg">Medford, Oregon</span> 

<span class="fsm fwn fcg">Creative writing</span> 

In my html content 
<span class="fwb"> occured more than 4 times, 
<span class="fcg"> occured more than 10 times, 
<span class="fsm fwn fcg">Creative writing</span> occured more than 5 times. 

使用php reg表达式或DOMDocument（）我需要替换所有要附加的符号。

对于前：

<span class="fwb">Harry and David</span> to be replaced by <span class="fwb">Harry and David$</span> 

<span class="fcg">Business Intelligence Developer/Analyst</span> to be replaced by  <span class="fcg">Business Intelligence Developer/Analyst$</span> 

Answer 1

你很难从你的代码示例，以理解，但我相信你正在寻找一个$标志追加到每个<span>标签的结束（？）。使用DomDocument做到这一点：

$str = ' 
<span class="fwb">Harry and David</span> 
<span class="fcg">Business Intelligence Developer/Analyst</span> 
'; 

$dom = new DomDocument(); 
$dom->loadHTML($str); 

$spans = $dom->getElementsByTagName('span'); 
foreach ($spans as $span) { 
    $span->nodeValue = $span->nodeValue . '$'; 
    echo $dom->saveHTML($span) . "\n"; 
} 

你可以像你说的，也可以使用preg_replace()像这样：

$str = ' 
<span class="fwb">Harry and David</span> 
<span class="fcg">Business Intelligence Developer/Analyst</span> 
'; 

$p = '{(<span[^>]*>)([^<]+)(</span>)}'; 
$r = '$1$2\$$3'; 
echo preg_replace($p, $r, $str); 

此正则表达式例子追加$到每个跨度节点的主题HTML文本结束。