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Getting Match of an Element within a Vector in R Programming – charmatch() Function

  • Last Updated : 01 Mar, 2021

charmatch() function in R Language is used to find matches between two arguments.
 

Syntax: charmatch(x, table, nomatch = NA_integer_)
Parameters: 
x: the values to be matched 
table: the values to be matched against 
nomatch: the integer value to be returned at non-matching position 
 

Example 1: 
 

Python3




# R program to illustrate
# charmatch function
 
# Calling the charmatch() function
charmatch("Geeks", c("Geeks", "forGeeks"))
charmatch("for", c("Geeks", "forGeeks"))
charmatch("forGeeks", c("Geeks", "forGeeks", "GeeksforGeeks"))
charmatch("GeeksforGeeks", c("Geeks", "forGeeks", "GeeksforGeeks"))

Output : 
 



[1] 1
[1] 2
[1] 2
[1] 3

Example 2: 
 

Python3




# R program to illustrate
# charmatch function
 
# Calling the charmatch() function
charmatch("an", "sand")
charmatch("and", "sand")
charmatch("sand", "sand")

Output: 
 

[1] NA
[1] NA
[1] 1

 

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