strings.trimLeft() function

<!------------------------------------------------------------------------------ IMPORTANT: This page was generated from comments in the Flux source code. Any edits made directly to this page will be overwritten the next time the documentation is generated. To make updates to this documentation, update the function comments above the function definition in the Flux source code: https://github.com/influxdata/flux/blob/master/stdlib/strings/strings.flux#L210-L210 Contributing to Flux: https://github.com/influxdata/flux#contributing Fluxdoc syntax: https://github.com/influxdata/flux/blob/master/docs/fluxdoc.md ------------------------------------------------------------------------------->

strings.trimLeft() removes specified leading characters from a string.

Function type signature

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

Parameters

v

({{< req >}}) String to to remove characters from.

cutset

({{< req >}}) Leading characters to trim from the string.

Examples

Trim leading periods from all values in a column

{{< 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 >}}