//正则表达式的matches方法检测:
String str2 = "\dhello";
String str3 = "6hello";
System.out.println(str2.matches(str3)); //false
System.out.println(str3.matches(str2)); //true
System.out.println(str2.matches(str2)); //false
System.out.println(str3.matches(str3)); //true 来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/4237/viewspace-2807624/ ,如需转载,请注明出处,否则将追究法律责任。