$ condition question

  Hey, I readthe man page a number of times, but I fail to totally
understand exactly what the $ condition does. I figure it has something to
do with the way it finds a match in the rule. But how it does this I
havn't figured out. For example what would be the difference between the
two

* $!^From:.*something
*  !^From:.*something

  In what instance(s) would you use the first, rather then the second.
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     S.Toms - tomas(_at_)primenet(_dot_)com - http://www.primenet.com/~tomas
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