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 vote210 views1 answer
Constructor syntax in c++
C++
2 votes225 views2 answers
Char
C++
0 vote167 views1 answer
Press enter to continue c++
C++
0 vote203 views1 answer
Are arrays faster than vectors c++
C++
0 vote198 views7 answers
C++ convert to assembly language
C++
27 votes256 views6 answers
Bootstrap grid
C++
0 vote213 views1 answer
Is power of 2
C++
0 vote215 views2 answers
Read a file line by line c++ struct site:stackoverflow.com
C++
0 vote230 views1 answer
How to choose struct's endianness cpp
C++
11 votes168 views1 answer
Strcmp different length
C++