題目描述
public class Solution {
public boolean isNumeric(char[] str) {
String string = new String(str);
return string.matches("[\\+-]?[0-9]*(\\.[0-9]*)?([eE][\\+-]?[0-9]+)?");
}
}
public class Solution {
public boolean isNumeric(char[] str) {
String string = new String(str);
return string.matches("[\\+-]?[0-9]*(\\.[0-9]*)?([eE][\\+-]?[0-9]+)?");
}
}