擅长:python、mysql、java
<p>比如这样。匹配模式prod/???/x/blah,在哪里???是由数字和下划线组成的任何字符串:</p>
<pre><code>import re
pattern = re.compile('prod/([\d_]+)/x/blah')
query = "http://www.example.com/blah/prod/4_2343_234/x/blah.html"
result = pattern.search(query).group(1)
print result
</code></pre>