相关疑难解决方法(0)

我需要匹配所有这些开始标记:

<p>
<a href="foo">

但不是这些:

<br />
<hr class="foo" />

我想出了这个,并希望确保我做对了.我只抓住了a-z.

<([a-z]+) *[^/]*?>

我相信它说:

• 找一个小于,然后
• 然后,查找(并捕获)az一次或多次
• 然后找到零个或多个空格
• 找到任何字符零次或多次,贪婪/,然后
• 找到一个大于

我有这个权利吗？更重要的是,你怎么看？

我有一段很长的XML要解析.我想删除除子类代码和城市之外的所有内容.所以我留下了类似下面的例子.

例

TEST SUBCLASS |迈阿密

码

<?xml version="1.0" standalone="no"?>  
<web-export>  
<run-date>06/01/2010  
<pub-code>TEST  
<ad-type>TEST  
<cat-code>Real Estate</cat-code>  
<class-code>TEST</class-code>  
<subclass-code>TEST SUBCLASS</subclass-code>  
<placement-description></placement-description>  
<position-description>Town House</position-description>  
<subclass3-code></subclass3-code>  
<subclass4-code></subclass4-code>  
<ad-number>0000284708-01</ad-number>  
<start-date>05/28/2010</start-date>  
<end-date>06/09/2010</end-date>  
<line-count>6</line-count>  
<run-count>13</run-count>  
<customer-type>Private Party</customer-type>  
<account-number>100099237</account-number>  
<account-name>DOE, JOHN</account-name>  
<addr-1>207 CLARENCE STREET</addr-1>  
<addr-2> </addr-2>  
<city>MIAMI</city>  
<state>FL</state>  
<postal-code>02910</postal-code>  
<country>USA</country>  
<phone-number>4014612880</phone-number>  
<fax-number></fax-number>  
<url-addr> </url-addr>  
<email-addr>noemail@ttest.com</email-addr>  
<pay-flag>N</pay-flag>  
<ad-description>DEANESTATES2BEDS2BATHSAPPLIANCED</ad-description>  
<order-source>Import</order-source>  
<order-status>Live</order-status>  
<payor-acct>100099237</payor-acct>  
<agency-flag>N</agency-flag>  
<rate-note></rate-note>  
<ad-content> MIAMI&#47;Dean Estates&#58; 2 
beds&#44; 2 baths&#46; Applianced&#46; Central air&#46; Carpets&#46; Laundry&#46; 2 decks&#46; Pool&#46; Parking&#46; Close to everything&#46;No smoking&#46; No utilities&#46; &#36;1275 mo&#46; 401&#45;578&#45;1501&#46;  </ad-content> …