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Accepted answers
Ben Graham · Aug 13, 2021 go to post

$ZSTRIP will delete repeating characters

set newstring=$ZSTRIP(oldstring,"=W") // for whitespace

set newstring=$ZSTRIP(oldstring,"="," ") // for only spaces

Ben Graham · Jun 22, 2021 go to post

Have you tried the %IsDefined method?

set a={}

if a.%IsDefined("test") write "defined"

set a.tset=1

if a.%IsDefined("test") write "defined"