Program to remove all numbers from a String

Problem statement:-  Program to remove all numbers from a String

 Data requirement:-

   Input Data:- str

  Output Data:- str

  Additional Data:-i, j

Program in C

Here is the source code of the C Program to remove all numbers from a String.

Code:

#include<stdio.h>
int main()
{
    char str[30];
    printf("Enter your String:");
    scanf("%[^\n]",str);
    int i,j;
     for (i = 0; str[i] != '\0'; ++i) {
     while (str[i] >= '0' && str[i] <= '9') {
         for (j = i; str[j] != '\0'; ++j) {
            str[j] = str[j + 1];
         }
         str[j] = '\0';
      }
   }
       printf("After removing all numbers string is: %s\n",str);
}

Input/Output:

Enter your String:csinfo360
After removing all numbers string is: csinfo

Program in C++

Here is the source code of the C++ Program to remove all numbers from a String.

Code:

#include<iostream>
using namespace std;
int main()
{
    string str;
    cout<<"Enter your String:";
    getline(cin,str);
    int len=0;
    while(str[len]!='\0')
    {
        len++;
    }
    int i,j;

     for (i = 0; str[i] != '\0'; ++i) {
     while (str[i] >= '0' && str[i] <= '9') {
         for (j = i; str[j] != '\0'; ++j) {
            str[j] = str[j + 1];
         }
         str[j] = '\0';
      }
   }
       cout<<"After removing numbers string is: "<<str;
}

Input/Output:

Enter your String:program7str8ing
After removing numbers string is: programstring

Program in Java

  

Here is the source code of the Java Program to remove all numbers from a String.

Code:

import java.util.Scanner;
public class p35 {

public static void main(String[] args) {
Scanner cs=new Scanner(System.in);
String str1;
System.out.println("Enter your String:");
str1=cs.nextLine();
str1+='\0';
int i,j;
char[] str=str1.toCharArray();
for (i = 0; str[i] != '\0'; ++i) {
     while (str[i] >= '0' && str[i] <= '9') {
         for (j = i; str[j] != '\0'; ++j) {
            str[j] = str[j + 1];
         }
         str[j] = '\0';
      }
   }
System.out.println("After removing all numbers string is:");
for (i = 0; str[i] != '\0';i++)
System.out.print(str[i]);
    cs.close();
}
}

Input/Output:

Enter your String:
Java String99 pro8g0ram
After removing all numbers string is:
Java String program

Program in Python
  

Here is the source code of the Python Program to remove all numbers from a String.

Code:

str=input("Enter the String:")
str2 = []
i = 0
while i < len(str):
    ch = str[i]
    if not(ch >= '0' and ch <= '9'):
        str2.append(ch)
    i += 1
Final_String = ''.join(str2)
print("After removing numbers string is:",Final_String)

Input/Output:

Enter the String:Csinfo360.com
After removing numbers string is: Csinfo.com

More:-

C/C++/Java/Python Practice Question