docs-v2/content/flux/v0/stdlib/strings/hassuffix.md

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strings.hasSuffix() function `strings.hasSuffix()` indicates if a string ends with a specified suffix.
flux_v0_ref
name parent identifier
strings.hasSuffix strings strings/hasSuffix
101

strings.hasSuffix() indicates if a string ends with a specified suffix.

Function type signature
(suffix: string, v: string) => bool

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

Parameters

v

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

suffix

({{< req >}}) Suffix to search for.

Examples

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

import "sampledata"
import "strings"

sampledata.string()
    |> filter(fn: (r) => strings.hasSuffix(v: r._value, suffix: "4"))

{{< expand-wrapper >}} {{% expand "View example input and output" %}}

Input data

_time *tag _value
2021-01-01T00:00:00Z t1 smpl_g9qczs
2021-01-01T00:00:10Z t1 smpl_0mgv9n
2021-01-01T00:00:20Z t1 smpl_phw664
2021-01-01T00:00:30Z t1 smpl_guvzy4
2021-01-01T00:00:40Z t1 smpl_5v3cce
2021-01-01T00:00:50Z t1 smpl_s9fmgy
_time *tag _value
2021-01-01T00:00:00Z t2 smpl_b5eida
2021-01-01T00:00:10Z t2 smpl_eu4oxp
2021-01-01T00:00:20Z t2 smpl_5g7tz4
2021-01-01T00:00:30Z t2 smpl_sox1ut
2021-01-01T00:00:40Z t2 smpl_wfm757
2021-01-01T00:00:50Z t2 smpl_dtn2bv

Output data

_time *tag _value
2021-01-01T00:00:20Z t1 smpl_phw664
2021-01-01T00:00:30Z t1 smpl_guvzy4
_time *tag _value
2021-01-01T00:00:20Z t2 smpl_5g7tz4

{{% /expand %}} {{< /expand-wrapper >}}