Java正则检验使用方法

Java正则检验使用方法

// 2位至4位长的中文
boolean isMatches1 = Pattern.compile("^[\u4e00-\u9fa5]{2,4}$").matcher("一").matches();
boolean isMatches2 = Pattern.compile("^[\u4e00-\u9fa5]{2,4}$").matcher("一二").matches();
boolean isMatches3 = Pattern.compile("^[\u4e00-\u9fa5]{2,4}$").matcher("一二三").matches();
boolean isMatches4 = Pattern.compile("^[\u4e00-\u9fa5]{2,4}$").matcher("一二三四").matches();
boolean isMatches5 = Pattern.compile("^[\u4e00-\u9fa5]{2,4}$").matcher("一二三四五").matches();
System.out.println(isMatches1);
System.out.println(isMatches2);
System.out.println(isMatches3);
System.out.println(isMatches4);
System.out.println(isMatches5);