Documentation

strings.trimLeft() function

strings.trimLeft() removes specified leading characters from a string.

Function type signature
(cutset: string, v: string) => string

For more information, see Function type signatures.

Parameters

v

(Required) String to to remove characters from.

cutset

(Required) Leading characters to trim from the string.

Examples

Trim leading periods from all values in a column

import "strings"

data
    |> map(fn: (r) => ({r with _value: strings.trimLeft(v: r._value, cutset: ".")}))

View example input and output


Was this page helpful?

Thank you for your feedback!


New in InfluxDB 3.6

Key enhancements in InfluxDB 3.6 and the InfluxDB 3 Explorer 1.4.

See the Blog Post

InfluxDB 3.6 is now available for both Core and Enterprise. This release introduces the 1.4 update to InfluxDB 3 Explorer, featuring the beta launch of Ask AI, along with new capabilities for simple startup and expanded functionality in the Processing Engine.

For more information, check out:

InfluxDB Docker latest tag changing to InfluxDB 3 Core

On February 3, 2026, the latest tag for InfluxDB Docker images will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments.

If using Docker to install and run InfluxDB, the latest tag will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments. For example, if using Docker to run InfluxDB v2, replace the latest version tag with a specific version tag in your Docker pull command–for example:

docker pull influxdb:2