java pattern

java util.regex正则表达式处理。更多正则表达式可以参见http://jakarta.apache.org/oro/

 

package pattern;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PatternDemo {

	public static void main(String[] args){
		//重复利用这个Pattern p
		Pattern p = Pattern.compile("a*b");
		Matcher m = p.matcher("aaaaab");
		boolean b = m.matches();
		//一次使用
		boolean c = Pattern.matches("a*b", "aaaaab");
		
		System.out.println(b);
		System.out.println(c);
	}
}