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51 lines
1.1 KiB
Markdown
51 lines
1.1 KiB
Markdown
---
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title: str index-of
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layout: command
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version: 0.59.0
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---
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Returns starting index of given pattern in string counting from 0. Returns -1 when there are no results.
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## Signature
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```> str index-of (pattern) ...rest --range --end```
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## Parameters
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- `pattern`: the pattern to find index of
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- `...rest`: optionally returns index of pattern in string by column paths
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- `--range {any}`: optional start and/or end index
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- `--end`: search from the end of the string
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## Examples
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Returns index of pattern in string
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```shell
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> 'my_library.rb' | str index-of '.rb'
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```
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Returns index of pattern in string with start index
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```shell
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> '.rb.rb' | str index-of '.rb' -r '1,'
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```
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Returns index of pattern in string with end index
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```shell
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> '123456' | str index-of '6' -r ',4'
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```
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Returns index of pattern in string with start and end index
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```shell
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> '123456' | str index-of '3' -r '1,4'
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```
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Alternatively you can use this form
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```shell
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> '123456' | str index-of '3' -r [1 4]
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```
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Returns index of pattern in string
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```shell
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> '/this/is/some/path/file.txt' | str index-of '/' -e
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```
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