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- C++ Capitalize All Words in String
- C++ Capitalize Specific Character
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C++ Program to Capitalize Given Character in String
This article provides a program in C++ that capitalizes only specific/particular character from a string. Here the string and the character must be entered by user at run-time of the program.
For example, if user enters Hey!, this is codescracker as string and e as character, then the output will be hEy!, this is codEscrackEr. That is, all e (lowercase) gets converted into E (uppercase) in given string.
Capitalize Specific Character in String
The question is, write a program in C++ that receives a string and a character as input and capitalizes all the given character from the given string. The program given below is the answer to this question:
#include<iostream> #include<string.h> #include<stdio.h> using namespace std; int main() { char str[200], ch, ch_temp; int len, i, asc_val; cout<<"Enter the String: "; gets(str); cout<<"Enter the Character to Capitalize: "; cin>>ch; len = strlen(str); for(i=0; i<len; i++) { if(ch==str[i]) { asc_val = str[i]; if(asc_val>=97 && asc_val<=122) { asc_val = asc_val-32; ch_temp = asc_val; str[i] = ch_temp; } } } cout<<"\nAll \""<<ch<<"\" gets capitalized"; cout<<"\nThe new string is\n\n"; cout<<str; cout<<endl; return 0; }
The snapshot given below shows the initial output produced by above C++ program, that is used to capitalize all given character from given string:
Now supply the inputs say Hey!, this is codescracker as string and e as character to capitalize. Here is the sample run with exactly same user input as given here:
Here, I've used the ASCII value to capitalize the character. That is the ASCII values of a-z are 97-122 whereas the ASCII values of A-Z are 65-90 Therefore subtracting 32 means converting lowercase to uppercase.
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