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