|
t;a3b896cd3265ef123g456hh789987gg456ee")[7]);
// System.out.println(p.split("a3b896cd3265ef123g456hh789987gg456ee")[8]);
System.out.println("---------------");
System.out.println(Pattern.matches("\\d+", "2223")); // true
System.out.println(Pattern.matches("\\d+", "2223aa")); // false
System.out.println(Pattern.matches("\\d+", "22bb23")); // false
Pattern p2 = Pattern.compile("\\d+");
Matcher m2 = p2.matcher("22bb23aa56ff78hh97gg65kk98pp88");
System.out.println(m2.pattern()); // \d+
System.out.println(m2.toString()); // java.util.regex.Matcher[pattern=\d+ region=0,6 lastmatch=]
System.out.println(m2.regionStart()); // 0
System.out.println(m2.regionEnd()); // 18
System.out.println("=============+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
System.out.println(m2.matches()); // false
// System.out.println(m2.start());
// System.out.println(m2.end());
// System.out.println(m2.group());
System.out.println(m2.find()); // true
System.out.println(m2.start()); // 4
System.out.println(m2.end()); // 6
System.out.println(m2.group()); // 23
System.out.println(m2.find()); // true
System.out.println(m2.start()); // 8
System.out.println(m2.end()); // 10
System.out.println(m2.group()); // 56
System.out.println(m2.find()); // true
System.out.println(m2.start()); // 12
System.out.println(m2.end()); // 14
System.out.println(m2.group()); // 78
System.out.println(m2.matches()); // false 由于 开头部分匹配，指针将移动至开头，但不能获取结果
System.out.println(m2.lookingAt()); // true 由于 开头部分匹配，指针将移动至开头，但能获取结果
// System.out.println(m2.start()); // 0
// System.out.println(m2.end()); // 2
// System.out.println(m2.group()); // 22
S |