C++ is string a number

bool isStringNumber(string str){
for(int i=0;i<str.length();i++){
if(str[i]<'0'||str[i]>'9'){
return false;
}
}
return true; 
}
//Beleive in Allah!
//just my slogan

Similar codes

0 vote631 views1 answer
Set keybinding for compiling c++ program in neovim
C++
0 vote189 views1 answer
Heap allocated array in c ++
C++
0 vote181 views1 answer
How to play sound in c++
C++
6 votes197 views2 answers
Indexing strings in c++
C++
5 votes195 views1 answer
All library in c++
C++
0 vote178 views1 answer
SET TO NULL pointer c++
C++
7 votes207 views2 answers
C++ threads
C++
0 vote197 views1 answer
How to make a c++ iostream program restart when finished
C++
0 vote188 views2 answers
If else in C++
C++
0 vote176 views1 answer
C++ rename function
C++