You can also detect symbols like __WIN32__ to detect if you are in a Windows build environment. Some compilers will define __unix__ or __APPLE__ if your build environment is of that variety.Or for gcc you can use something like this:...
The islapha() function checks whether a character is an alphabet or not. #include <ctype.h> #include <stdio.h> int main() { char c; int lowercase_vowel, uppercase_vowel; printf("Enter an alphabet: "); scanf("%c", &c); // evaluates to 1 if variable c is a lowercase vowel ...
12 changes: 12 additions & 0 deletions 12 Check Alphabet using if else Original file line numberDiff line numberDiff line change @@ -0,0 +1,12 @@ public class Alphabet {public static void main(String[] args) {char c = '*';
#include <string>#include <cctype>#include <algorithm>boolall_alpha(conststd::string& str ) {// //http://www.stroustrup.com/C++11FAQ.html#for//http://en.cppreference.com/w/cpp/string/byte/isalphafor(charc : str )if( !std::isalpha(c) )returnfalse;returntrue; }boolall_alpha2(const...
You check for each character if it is upper case OR lower case. This is always true and due to that you always return false. 21st Jul 2020, 2:26 PM Sandra Meyer + 3 that condition will always return False. one way to do it is : check the first char in str and see if it is ...
<< endl; } } // else for printing if it is not a alphabet else { cout << character << " is not a character." << endl; } } }; int main() { // create a object Vowel V; // a char type variable to store character char character; cout << "Enter Character: "; cin >>...
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match(hkidPat); if (matchArray == null) { return false; } var charPart = matchArray[1]; var numPart = matchArray[2]; var checkDigit = matchArray[3]; var checkSum = 0; if (charPart.length == 2) { checkSum += 9 * (10 + strValidChars.indexOf(charPart.charAt(0))); ...
C++ code to check if the string is in uppercase using the class and object approach #include <iostream>usingnamespacestd;// create a classclassString{// private data memberprivate:charstr[30];// public member functionspublic:// getString() function to store stringvoidgetString() { cout<<...
}//---判断必须是数字和字母的组合---function isNumAndAlphabet(name, str) { str= str || "只允许填写数字和字母。"; var reg= /^(([a-z]+[0-9]+)|([0-9]+[a-z]+))[a-z0-9]*$/i ;if(!reg.test(name.value)) { alert(str); name...