Checked on Cache 2018.1.7 and IRIS 2022.2
write $zconvert("abc/def","O","JSON")
"abc/def"
Why isn't it "abc\/def" ?
InterSystems IRIS is a Complete Data Platform
InterSystems IRIS gives you everything you need to capture, share, understand, and act upon your organization’s most valuable asset – your data.
As a complete platform, InterSystems IRIS eliminates the need to integrate multiple development technologies. Applications require less code, fewer system resources, and less maintenance.