strings.hasPrefix() function

The strings.hasPrefix() function indicates if a string begins with a specified prefix.

*Output data type: Boolean*

import "strings"
strings.hasPrefix(v: "go gopher", prefix: "go")
// returns true

Parameters

v

The string value to search.

*Data type: String*

prefix

The prefix to search for.

*Data type: String*

Filter based on the presence of a prefix in a column value

import "strings"
data
  |> filter(fn:(r) => strings.hasPrefix(v: r.metric, prefix: "int_" ))

Related articles

• strings.hasSuffix() function