--- title: strings.trimRight() function description: > `strings.trimRight()` removes trailing characters specified in the cutset from a string. menu: flux_v0_ref: name: strings.trimRight parent: strings identifier: strings/trimRight weight: 101 --- `strings.trimRight()` removes trailing characters specified in the cutset from a string. ##### Function type signature ```js (cutset: string, v: string) => string ``` {{% caption %}} For more information, see [Function type signatures](/flux/v0/function-type-signatures/). {{% /caption %}} ## Parameters ### v ({{< req >}}) String to to remove characters from. ### cutset ({{< req >}}) Trailing characters to trim from the string. Only characters that match the cutset string exactly are trimmed. ## Examples ### Trim trailing periods from all values in a column ```js import "strings" data |> map(fn: (r) => ({r with _value: strings.trimRight(v: r._value, cutset: ".")})) ``` {{< expand-wrapper >}} {{% expand "View example input and output" %}} #### Input data | _time | _value | *tag | | -------------------- | -------------- | ---- | | 2021-01-01T00:00:00Z | smpl_g9qczs... | t1 | | 2021-01-01T00:00:10Z | smpl_0mgv9n... | t1 | | 2021-01-01T00:00:20Z | smpl_phw664... | t1 | | 2021-01-01T00:00:30Z | smpl_guvzy4... | t1 | | 2021-01-01T00:00:40Z | smpl_5v3cce... | t1 | | 2021-01-01T00:00:50Z | smpl_s9fmgy... | t1 | | _time | _value | *tag | | -------------------- | -------------- | ---- | | 2021-01-01T00:00:00Z | smpl_b5eida... | t2 | | 2021-01-01T00:00:10Z | smpl_eu4oxp... | t2 | | 2021-01-01T00:00:20Z | smpl_5g7tz4... | t2 | | 2021-01-01T00:00:30Z | smpl_sox1ut... | t2 | | 2021-01-01T00:00:40Z | smpl_wfm757... | t2 | | 2021-01-01T00:00:50Z | smpl_dtn2bv... | t2 | #### Output data | _time | _value | *tag | | -------------------- | ----------- | ---- | | 2021-01-01T00:00:00Z | smpl_g9qczs | t1 | | 2021-01-01T00:00:10Z | smpl_0mgv9n | t1 | | 2021-01-01T00:00:20Z | smpl_phw664 | t1 | | 2021-01-01T00:00:30Z | smpl_guvzy4 | t1 | | 2021-01-01T00:00:40Z | smpl_5v3cce | t1 | | 2021-01-01T00:00:50Z | smpl_s9fmgy | t1 | | _time | _value | *tag | | -------------------- | ----------- | ---- | | 2021-01-01T00:00:00Z | smpl_b5eida | t2 | | 2021-01-01T00:00:10Z | smpl_eu4oxp | t2 | | 2021-01-01T00:00:20Z | smpl_5g7tz4 | t2 | | 2021-01-01T00:00:30Z | smpl_sox1ut | t2 | | 2021-01-01T00:00:40Z | smpl_wfm757 | t2 | | 2021-01-01T00:00:50Z | smpl_dtn2bv | t2 | {{% /expand %}} {{< /expand-wrapper >}}