Documentation

strings.toUpper() function

strings.toUpper() converts a string to uppercase.

toUpper vs toTitle

The results of toUpper() and toTitle() are often the same, however the difference is visible when using special characters:

str = "dz"

strings.toUpper(v: str) // Returns DZ
strings.toTitle(v: str) // Returns Dz
Function type signature
(v: string) => string
For more information, see Function type signatures.

Parameters

v

(Required) String value to convert.

Examples

Convert all values of a column to upper case

import "sampledata"
import "strings"

sampledata.string()
    |> map(fn: (r) => ({r with _value: strings.toUpper(v: r._value)}))

View example input and ouput


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