擅长:python、mysql、java
<p>根据您的编辑,您完全可以拆分:</p>
<pre><code>with open("in.txt") as f:
for line in f:
if line.startswith("DATE/USER:"):
spl = line.split()
if len(spl) == 3:
print(spl[2])
</code></pre>
<p>输出:</p>
^{pr2}$
<p>使用re:</p>
<pre><code>with open("in.txt") as f:
import re
r = re.compile(r'(^DATE/USER:\s+\d+/\d+/\d+\s+(\w+$))')
for line in f:
match = r.search(line)
if match:
print(match.group(2))
</code></pre>
<p>输出:</p>
^{pr2}$