擅长:python、mysql、java
<pre class="lang-py prettyprint-override"><code>import re
regex = re.compile(r'^(?:[a-zA-z]*\d*[a-zA-z]+)*(\d+)$')
examples = [
"q1option4",
"q3option54",
"q3op23ti56on18",
"q28",
"11",
]
for e in examples:
print(e, '-->', regex.match(e).groups()[0])
</code></pre>
<p>Outuput</p>
<pre class="lang-sh prettyprint-override"><code>q1option4 --> 4
q3option54 --> 54
q3op23ti56on18 --> 18
q28 --> 28
11 --> 11
</code></pre>