为什么第一个区块有效,而第二个区块无效?
int numberOfDigits = 2;
Pattern p = Pattern.compile("[01]{"+numberOfDigits+"}");
Matcher m = p.matcher("101100101011010011111000");
while(m.find()){
System.out.println(m.group());
}
第 2 座
Scanner scannerSegment = new Scanner("101100101011010011111000");
while(scannerSegment.hasNext(p)){
String segment = scannerSegment.next(p);
System.out.println(segment);
}