StrPos: 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, ...)
Value
a vector of the first position of pattern in x
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.