50 lines
1.2 KiB
Markdown
50 lines
1.2 KiB
Markdown
---
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title: strings.lastIndexAny() function
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description: The `strings.lastIndexAny()` function returns the index of the last instance of any specified characters in a string.
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aliases:
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- /influxdb/v2.0/reference/flux/functions/strings/lastindexany/
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- /influxdb/v2.0/reference/flux/stdlib/strings/lastindexany/
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- /influxdb/cloud/reference/flux/stdlib/strings/lastindexany/
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menu:
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flux_0_x_ref:
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name: strings.lastIndexAny
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parent: strings
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weight: 301
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related:
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- /flux/v0.x/stdlib/strings/index/
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- /flux/v0.x/stdlib/strings/indexany/
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- /flux/v0.x/stdlib/strings/lastindex/
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introduced: 0.18.0
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---
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The `strings.lastIndexAny()` function returns the index of the last instance of any specified characters in a string.
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If none of the specified characters are present, the function returns `-1`.
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_**Output data type:** Integer_
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```js
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import "strings"
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strings.lastIndexAny(v: "chicken", chars: "aeiouy")
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// returns 5
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```
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## Parameters
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### v {data-type="string"}
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The string value to search.
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### chars {data-type="string"}
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Characters to search for.
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## Examples
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###### Find the last occurrence of characters from a string
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```js
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import "strings"
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data
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|> map(fn: (r) => ({r with charLastIndex: strings.lastIndexAny(v: r._field, chars: "_-")}))
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```
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