擅长:python、mysql、java
<p>可以使用正则表达式组匹配</p>
<pre><code>import re
with open("example.txt") as f:
for line in f:
m = re.match(".* Temperature (.*?) .*", line)
if m:
try:
number = float(m.group(1))
print(number)
except ValueError:
pass # could print an error here because a number wasn't found in the expected place
</code></pre>