在 R 编程中替换字符的字符 – chartr()函数

R 编程语言中的chartr()函数用于进行字符串替换。它用指定为参数的新字符替换字符串中现有字符的所有匹配项。

Syntax: chartr(old, new, x)

Parameters: 

• old: old string to be substituted
• new: new string
• x: target string

示例 1：

R

# R program to illustrate
# chartr function
 
# Initializing a string
x <- "Geeks GFG"
 
# Calling the chartr() function
# which will substitute G with Z
# to the above specified string
chartr("G", "Z", x)

输出 ：

[1] "Zeeks ZFZ"

示例 2：

R

# R program to illustrate
# chartr function
 
# Initializing a string
x <- "GeeksforGeeks Geeks"
 
# Calling the chartr() function
# which will substitute G with 1,
# k with 2 and s with 3
# to the above specified string
chartr("Gks", "123", x)

输出：

[1] "1ee23for1ee23 1ee23"