You don't need a regex, you need printf and the related sprintf: 

printf '$%.2f', 5.5;   #prints $5.50
printf '$%.2f', 9;     #prints $9.00
printf '$%.2f', 19.95; # print $19.95

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HTH

In reply to Re: Dollars and regex cents by VSarkiss
in thread Dollars and regex cents by higle

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