擅长:python、mysql、java
<p>您只需检查是否允许前4个字符:</p>
<pre><code>if not pcode[:4] in permitted:
raise forms.ValidationError("Apologies, but does not currently deliver to you postcode.")
</code></pre>
<p>或者</p>
<pre><code>if any([pcode.startswith(code) for code in permitted]) is False:
raise forms.ValidationError("Apologies, but does not currently deliver to you postcode.")
</code></pre>