String regex = "正則";
Pattern pattern = Pattern.complie(regex);
String[] strArr = pattern.split("需要正則切割的字符串");
String regex = "正則";
Pattern pattern = Pattern.complie(regex);
Matcher matcher = pattern.matcher("需要處理的字符串");
matcher.find();//返回布爾值 表示是否能捕獲到
log(matcher.group(0));
log(matcher.group(1));
...
Pattern pattern = Pattern.compile(".{3}abc.{3}");
Matcher matcher = pattern.matcher("asdabcasd");
boolean b = matcher.matches();
System.out.println(b);//true
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