strings.isUpper() function

The strings.isUpper() function tests if a single character string is uppercase.

*Output data type: Boolean*

import "strings"
strings.isUpper(v: "A")
// returns true

Parameters

v

The single-character string value to test.

*Data type: String*

Examples

Filter by columns with single-letter uppercase values

import "strings"
data
  |> filter(fn: (r) => strings.isUpper(v: r.host))

Related articles

• strings.isLower() function