Hi Steve,

my code is independent by the speces within "()"

oldval="RGB(   0,  0,  0,  255,  255  , 255    )"
?STUFF(LEFT(m.oldval,AT(",",m.oldval,3)-1),5,0,SUBSTR(m.oldval,AT(",",m.oldval,3)+1,LEN(m.oldval)-AT(",",m.oldval,3)-1)+",")+")"

Universal rule: "more fast, minus generic".

Fabio