Repeat Character String N Times in R

In this article, we will discuss how to repeat the character string N times in the R programming language. Character string means a set of characters .

Example:

“Hello Geek”,”Python”,”Languages_Python” are some examples

Method 1: Using replicate() method

This function used to give n replicas from the character string

Syntax:

replicate(N, “string”)

where,

• N is the number of times string is replicated
• string is the input character string

Example: R program to repeat the character string N times using replicate

R

# get 2 times
print(replicate(2, "Hello_Geek"))

print("-----")

# get 10 times
print(replicate(10, "Python"))

print("-----")

# get 3 times
print(replicate(3, "java"))

print("-----")

# get 4 times
print(replicate(4, "dbms"))

print("-----")

# get 5 times
print(replicate(5, "sql"))

print("-----")

# get 7 times
print(replicate(7, "big data"))

Output:

[1] “Hello_Geek” “Hello_Geek”

[1] “—–“

[1] “Python” “Python” “Python” “Python” “Python” “Python” “Python” “Python”

[9] “Python” “Python”

[1] “—–“

[1] “java” “java” “java”

[1] “—–“

[1] “dbms” “dbms” “dbms” “dbms”

[1] “—–“

[1] “sql” “sql” “sql” “sql” “sql”

[1] “—–“

[1] “big data” “big data” “big data” “big data” “big data” “big data” “big data”

Method 2: Using rep() method

This function works similar to replicate .

Syntax:

rep( “string”,N)

Example: R program that repeats character String N times using rep

R

# get 2 times
print(rep("Hello_Geek", 2))

print("-----")

# get 10 times
print(rep("Python", 10))

print("-----")

# get 3 times
print(rep("java", 3))

print("-----")

# get 4 times
print(rep("dbms", 4))

print("-----")

# get 5 times
print(rep("sql", 5))

print("-----")

# get 7 times
print(rep("big data", 7))

Output:

[1] “Hello_Geek” “Hello_Geek”

[1] “—–“

[1] “Python” “Python” “Python” “Python” “Python” “Python” “Python” “Python”

[9] “Python” “Python”

[1] “—–“

[1] “java” “java” “java”

[1] “—–“

[1] “dbms” “dbms” “dbms” “dbms”

[1] “—–“

[1] “sql” “sql” “sql” “sql” “sql”

[1] “—–“

[1] “big data” “big data” “big data” “big data” “big data” “big data” “big data”

Method 3 : Using paste along with replicate

This paste is used to organize the repeated strings in the correct way, It will separate the strings with the given delimiter.

Syntax:

paste(replicate(N, “string”), collapse = “delimiter”)

where,

• paste is used to display the data
• replicate is used to get the N character strings
• collapse is used to separate the strings

Example: R program to repeat the character strings using paste command

R

# get 2 times with delimiter --
paste(replicate(2, "Geek"), collapse = "--")

print("-----")

# get 10 times with delimiter ,
paste(replicate(2, "Python"), collapse = ",")

Output:

[1] “Geek–Geek”

[1] “—–“

[1] “Python,Python”

Method 4: Using strrep() function

This function is used to get the N character strings in a single string.

Syntax:

strrep( “string”,N)

Example: R program to get N character strings using strrep() function

R

# get 2 times
print(strrep( "Hello_Geek",2))

print("-----")

# get 10 times
print(strrep( "Python",10))

print("-----")

# get 3 times
print(strrep( "java",3))

print("-----")

# get 4 times
print(strrep("dbms",4))

print("-----")

# get 5 times
print(strrep( "sql",5))

print("-----")

# get 7 times
print(strrep("big data",7))

Output:

[1] “Hello_GeekHello_Geek”

[1] “—–“

[1] “PythonPythonPythonPythonPythonPythonPythonPythonPythonPython”

[1] “—–“

[1] “javajavajava”

[1] “—–“

[1] “dbmsdbmsdbmsdbms”

[1] “—–“

[1] “sqlsqlsqlsqlsql”

[1] “—–“

[1] “big databig databig databig databig databig databig data”