---
title: strings.substring() function
description: >
  The strings.substring() function returns a substring based on `start` and `end` parameters.
  Indices are based on UTF code points.
aliases:
  - /influxdb/cloud/reference/flux/functions/strings/substring/
menu:
  influxdb_cloud_ref:
    name: strings.substring
    parent: Strings
weight: 301
---

{{< duplicate-oss >}}