strings.trimPrefix() function

The strings.trimPrefix() function removes a prefix from a string. Strings that do not start with the prefix are returned unchanged.

*Output data type: String*

import "strings"
strings.trimPrefix(v: "123_abc", prefix: "123")
// returns "_abc"

Parameters

v

The string value to trim.

*Data type: String*

prefix

The prefix to remove.

*Data type: String*

Examples

Remove a prefix from all values in a column

import "strings"
data
  |> map(fn: (r) => ({
      r with
      sensorID: strings.trimPrefix(v: r.sensorId, prefix: "s12_")
    })
  )

Related articles

• strings.trim() function
• strings.trimLeft() function
• strings.trimRight() function
• strings.trimSuffix() function
• strings.trimSpace() function