擅长:python、mysql、java
<pre><code>>>> re.findall(r"(interface\s*FastEthernet\d+\/\d+\/\d+[^\n]+\n[^\n]+\n[^\n]*)", YOUR_STRING, re.S|re.I)
['interface FastEthernet2/0/45\n switchport access vlan 703\n switchport mode access', 'interface FastEthernet2/0/46\n switchport access vlan 703\n switchport mode access', 'interface FastEthernet2/0/47\n switchport access vlan 703\n switchport mode access', 'interface FastEthernet2/0/48\n switchport access vlan 311\n switchport mode access']
</code></pre>