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lower, upper

Shift case

lower

Lower case

Syntax: lower x, lower[x]

Returns symbol or string x with any bicameral characters in the lower case.

q)lower"IBM"
"ibm"
q)lower`IBM
`ibm

upper

Upper case

Syntax: upper x, upper[x]

Returns symbol or string x with any bicameral characters in the upper case.

q)upper"ibm"
"IBM"
q)upper`ibm
`IBM

Basics: Strings