C# program to count upper and lower case characters in a given string
To count uppercase characters in a string, check the following condition −
myStr[i]>='A' && myStr[i]<='Z'
To count lower case characters in a string, check the following condition −
myStr[i]>='a' && myStr[i]<='z'
Example
You can try to run the following code to count upper and lower case characters in a given string.
Live Demo
using System;
public class Demo {
public static void Main() {
string myStr;
int i, len, lower_case, upper_case;
myStr = "Hello";
Console.Write("String: "+myStr);
lower_case = 0;
upper_case = 0;
len = myStr.Length;
for(i=0; i<len; i++) {
if(myStr[i]>='a' && myStr[i]<='z') {
lower_case++;
} else if(myStr[i]>='A' && myStr[i]<='Z') {
upper_case++;
}
}
Console.Write("\nCharacters in lowecase: {0}\n", lower_case);
Console.Write("Characters in uppercase: {0}\n\n", upper_case);
}
}Output
String: Hello
Characters in lowecase: 4
Characters in uppercase: 1
Published on 25-Jul-2018 07:29:39
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