Concepts Related to the Topic
- String Comparison: Comparison of two strings and check whether they are equal or not.
- Equality Operators (==): It is used to compare two string for equality and inequality.
- Case Sensitivity: In R language programming strings are considers as case-sensitive by default. There are functions like tolower() or toupper() to make case-insensitive comparison.
- tolower(): tolower() is the function to convert the string to lower case.
- toupper(): toupper() is the function to convert string to upper case.
- identical(): indentical() is function to compare two string and true or false according to the input string.
- grepl(): grepl() is function to compare two string partially.
Program to Compare two Strings in R
String comparison is a common operation where two strings are compared in a case sensitive manner and check whether they are equal or not. In this article you will learn the various way in which you can compare two string in R language.