Documentation

strings.isLower() function

strings.isLower() tests if a single-character string is lowercase.

Function type signature
(v: string) => bool
For more information, see Function type signatures.

Parameters

v

(Required) Single-character string value to test.

Examples

Filter by columns with single-letter lowercase values

import "strings"

data
    |> filter(fn: (r) => strings.isLower(v: r._value))

View example input and ouput


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