Are those columns of a SAS dataset ?
If so, does this mean that values are stored as character variables ?
Why not use a numeric format since your data is of numeric nature ?
Use SUBSTR() function. Either start from the 1st or the 2nd character depending on whether it starts with zero or not.
DIBP=substr(DIBP,1+DIBP=:'0');
data have;
input DIBP $;
want=prxchange('s/^0+//',1,dibp);
cards;
82
86
85
084
85
86
083
;
run;
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