擅长:python、mysql、java
<p>仅当搜索字符串位于开头时,re.match才会返回匹配</p>
<p><a href="https://docs.python.org/3/library/re.html#re.match" rel="nofollow noreferrer">https://docs.python.org/3/library/re.html#re.match</a></p>
<blockquote>
<p>re.match(pattern, string, flags=0)</p>
<p>If zero or more characters at the beginning of string match the regular expression pattern, return a corresponding match object. Return None if the string does not match the pattern; note that this is different from a zero-length match.</p>
</blockquote>
<p>尝试改用<code>re.search(pattern, string, flags=0)</code></p>