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The # Operator operator works on strings, tables and our HL7/X12 objects.

With strings, the # operator is used to get the length or number of characters of a string.

Try out this sample code in the Translator and use the annotation window to see the results:

local myString = "Hello, World!"
local stringLength = #myString

trace("Length of the string: "..stringLength)

...

See related:

• # Operator on Lua Tables

• # Operator on HL7/X12 Objects