package Level2;
/**
* Valid Number
*
* Validate if a given string is numeric.
Some examples:
"0" => true
" 0.1 " => true
"abc" => false
"1 a" => false
"2e10" => true
Note: It is intended for the problem statement to be ambiguous. You should gather all requirements up front before implementing one.
*
*/
public class S65 {
public static void main(String[] args) {
}
public boolean isNumber(String s) {
if(s.trim().isEmpty()){
return false;
}
String regex = "[-+] (\\d+\\. |\\.\\d+)\\d*(e[-+] \\d+) ";
if(s.trim().matches(regex)){
return true;
}else{
return false;
}
}
}