Convert an Expression to a String in R Programming - deparse() Function

Last Updated : 15 Jul, 2025
deparse() function in R Language is used to convert an object of expression class to an object of character class.
Syntax: deparse(expr) Parameters: expr: Object of expression class
Example 1: Python3 1== 
# R program to convert 
# expression to character

# Creating an object of expression class
x <- expression(sin(pi / 2))

# Class of object
class(x)

# Calling deparse() Function
x1 <- deparse(x)

# Class of parsed object
class(x1)
Output: 
[1] "expression"
[1] "character"
Example 2: Python3 1== 
# R program to convert 
# expression to character

# Creating an object of expression class
x <- expression(2 ^ 3)

# Evaluating the value of object
eval(x)

# Calling deparse() Function
x1 <- deparse(x)

# Evaluating the value of object
eval(x1)
Output: 
[1] 8
[1] "expression(2^3)"
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Article Tags:
R Language
R String-Functions

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