Documentation

strings.strlen() function

strings.strlen() returns the length of a string. String length is determined by the number of UTF code points a string contains.

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

Parameters

v

(Required) String value to measure.

Examples

Filter based on string value length

import "strings"

data
    |> filter(fn: (r) => strings.strlen(v: r._value) <= 6)

View example input and ouput

Store the length of string values

import "strings"

data
    |> map(fn: (r) => ({r with length: strings.strlen(v: r._value)}))

View example input and ouput


Was this page helpful?

Thank you for your feedback!


Upgrade to InfluxDB Cloud or InfluxDB 2.0!

InfluxDB Cloud and InfluxDB OSS 2.0 ready for production.