<pre class="python"><span style="color: #008000;">#!/usr/bin/python </span> <span style="color: #c00000;">import</span> <span style="color: #000000;">sys</span><span style="color: #0000c0;">,</span> <span style="color: #000000;">re</span> <span style="color: #000000;">iE</span> <span style="color: #0000c0;">=</span> <span style="color: #004080;">' '</span> <span style="color: #000000;">pStart</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">compile</span><span style="color: #0000c0;">(</span><span style="color: #004080;">'<[a-z]+'</span><span style="color: #0000c0;">,</span><span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">IGNORECASE</span><span style="color: #0000c0;">)</span> <span style="color: #000000;">pEnd</span> <span style="color: #0000c0;">=</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">.</span><span style="color: #000000;">compile</span><span style="color: #0000c0;">(</span><span style="color: #004080;">'(/>)|(</[a-z]+)'</span><span style="color: #0000c0;">,</span> <span style="color: #000000;">re</span><span style="color: #0000c0;">....