strings.trimSuffix() function

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strings.trimSuffix() removes a suffix from a string.

Strings that do not end with the suffix are returned unchanged.

Function type signature

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

Parameters

v

({{< req >}}) String to trim.

suffix

({{< req >}}) Suffix to remove.

Examples

Remove a suffix from all values in a column

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Input data

_time	_value	*tag
2021-01-01T00:00:00Z	smpl_g9qczs_ex1	t1
2021-01-01T00:00:10Z	smpl_0mgv9n_ex1	t1
2021-01-01T00:00:20Z	smpl_phw664_ex1	t1
2021-01-01T00:00:30Z	smpl_guvzy4_ex1	t1
2021-01-01T00:00:40Z	smpl_5v3cce_ex1	t1
2021-01-01T00:00:50Z	smpl_s9fmgy_ex1	t1

_time	_value	*tag
2021-01-01T00:00:00Z	smpl_b5eida_ex1	t2
2021-01-01T00:00:10Z	smpl_eu4oxp_ex1	t2
2021-01-01T00:00:20Z	smpl_5g7tz4_ex1	t2
2021-01-01T00:00:30Z	smpl_sox1ut_ex1	t2
2021-01-01T00:00:40Z	smpl_wfm757_ex1	t2
2021-01-01T00:00:50Z	smpl_dtn2bv_ex1	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

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