note
cog
<p>Using this bit of documentation, here's what happens:
<li>1zz</li>
<p>1zz doesn't match <code>"/^[a-zA-Z]*[0-9]*\z/"</code></li>
<p>Rule #1 - gets converted to a number, 1, which is then incremented to 2.
<li>zzz</li>
<p>zzz matches <code>"/^[a-zA-Z]*[0-9]*\z/"</code></li>
<p>Rule #2 - the last z is incremented to a (stays in the same range, which is a-z), carries one over; second z is incremented to a, carries one over; first z is incremented to a, carries one over, which gets turned into an a.
<li>zz1</li>
<p>zz1 matches <code>"/^[a-zA-Z]*[0-9]*\z/"</code>
<p>Rule #2 - 1 is incremented to 2.
<li>z3z</li>
<p>z3z doesn't match <code>"/^[a-zA-Z]*[0-9]*\z/"</code>
<p>Rule #1 - the value is converted to numeric; since there are no digits before the first non-digit, the numeric value is 0; that value is then incremented to 1.
<li>zz9</li>
<p>zz9 matches <code>"/^[a-zA-Z]*[0-9]*\z/"</code>
<p>Rule #2 - 9 is incremented to 0, carries one over, and then the process with the two zs is the same as from above.
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