it doesn't use ereg, but it (should) would work:
$mystring = I have $56.55 dollars, don't you know;
$mystring = substr($mystring, strpos($mystring, $));//strip out after
the $ sign
$mystring = substr($mystring, 0, strpos($mystring, ));//keep only
till first space
//mystring now
Of course they may not always know that the user would insert a '$' or a
'.' which is what you are keying off of. I am not all that familiar
with ereg* functions, I might attack it with stepping through charater
by charater and is is_numeric($c) returns true, place it applend it to
another
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