Original node title and content restored by GrandFather:

Head and tail in perl

Where to use and what it will do?

Subsequent content:

Where to use \b and \B in Regular expression? I'm a beginner to Pearl. So, I didn't get clear understanding.

In reply to Word boundaries by sandyago

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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