Seek a Match for the Pattern in the String in R Programming - pmatch() Function

pmatch() function in R Language is used to seek match for the pattern passed as argument. It returns the strings that begin with the pattern being searched.

Syntax: pmatch(pat, string, nomatch) Parameters: pat: pattern vector to be searched string: vector to be matched nomatch: return when no match is found

Example 1: Output:

[1] "Geeks" "Books" "geek" 
[1] 3
[1] 2

Example 2: Output:

[1] "Geeks" "Books" "geek" 
[1] 1 2 -1