docs-v2/content/flux/v0/stdlib/regexp/findstringindex.md

title	description	menu	weight
regexp.findStringIndex() function	`regexp.findStringIndex()` returns a two-element array of integers that represent the beginning and ending indexes of the first regular expression match in a string.	flux_v0_ref name parent identifier regexp.findStringIndex regexp regexp/findStringIndex	101

regexp.findStringIndex() returns a two-element array of integers that represent the beginning and ending indexes of the first regular expression match in a string.

Function type signature

(r: regexp, v: string) => [int]

{{% caption %}} For more information, see Function type signatures. {{% /caption %}}

Parameters

r

({{< req >}}) Regular expression used to search v.

v

({{< req >}}) String value to search.

Examples

Index the bounds of first regular expression match in each row

import "regexp"

regexp.findStringIndex(r: /ab?/, v: "tablet")// Returns [1, 3]