StrPos: Find Position of First Occurrence Of a String

In DescTools: Tools for Descriptive Statistics

Find Position of First Occurrence Of a String

Description

Returns the numeric position of the first occurrence of a substring within a string. If the search string is not found, the result will be NA.

Usage

StrPos(x, pattern, pos = 1, ...)

Arguments

x	a character vector in which to search for the pattern, or an object which can be coerced by as.character to a character vector.
pattern	character string (search string) containing the pattern to be matched in the given character vector. This can be a character string or a regular expression.
pos	integer, defining the start position for the search within x. The result will then be relative to the begin of the truncated string. Will be recycled.
...	the dots are passed to the function regexpr.

Details

This is just a wrapper for the function regexpr.

Value

a vector of the first position of pattern in x

Author(s)

Andri Signorell <[e-mail]>

See Also

StrChop, regexpr

Examples

StrPos(x = levels(d.pizza$driver), pattern = "t")

DescTools documentation built on Sept. 26, 2024, 1:07 a.m.