不对啊,输出no public Test{ public static void main(String args[]) { Test tt = new Test(); if (tt.isNumber("123456")) System.out.println("ok"); else System.out.println("no"); } public boolean isNumber(String str) { return str.matches("/([a-z]|[A-Z]|[0-9])+/"); } }
public static void main(String[] args) { boolean result = java.util.regex.Pattern.matches("([a-z]|[A-Z]|[0-9])+", "123456"); System.out.println("result="+result); }
import java.util.regex.*; public class TestString{ public static void main(String[] args){ String s="asc2123a"; Pattern pa = Pattern.compile("\\w+"); Matcher ma =pa.matcher(s); while(ma.find()){ System.out.println(ma.group()); } } }
public static void main(String args[]) {
Test tt = new Test();
if (tt.isNumber("123456"))
System.out.println("ok");
else
System.out.println("no");
} public boolean isNumber(String str) {
return str.matches("/([a-z]|[A-Z]|[0-9])+/");
}
}
boolean result = java.util.regex.Pattern.matches("([a-z]|[A-Z]|[0-9])+", "123456");
System.out.println("result="+result);
}
public class TestString{
public static void main(String[] args){
String s="asc2123a";
Pattern pa = Pattern.compile("\\w+");
Matcher ma =pa.matcher(s);
while(ma.find()){
System.out.println(ma.group());
}
}
}
private static boolean isMyString(String str) {
return str.matches("\\w+");
}