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49 lines
1.1 KiB
Markdown
49 lines
1.1 KiB
Markdown
# str index-of
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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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## Usage
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```shell
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> str index-of <pattern> ...args {flags}
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```
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## Parameters
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* `<pattern>` the pattern to find index of
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* ...args: optionally returns index of pattern in string by column paths
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## Flags
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* -h, --help: Display this help message
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* -r, --range <any>: optional start and/or end index
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* -e, --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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> echo '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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> echo '.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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> echo '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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> echo '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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> echo '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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> echo '/this/is/some/path/file.txt' | str index-of '/' -e
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```
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