Find the lowest index of a substring.

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Description

Like pystr_find but raises an error if sub is not found.

Usage

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Arguments

str

A character vector.

sub

A character vector.

start

A numeric vector.

end

A numeric vector.

Value

A numeric vector.

References

https://docs.python.org/3/library/stdtypes.html#str.index

See Also

pystr_rindex

Examples

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pystr_index("abcxyzabc", "abc")
pystr_index("abcxyzabc", "abc", 4)
## Not run: 
pystr_index("abcxyzabc", "123")

## End(Not run)

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