正则表达式 应用实例

https://www.bilibili.com/video/BV1Eq4y1E79W/?p=16

示例：验证是不是汉字

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

public class RegExp10 {

    public static void main(String[] args) {

        String content = "韩顺平教育";

        String regStr = "^[\u0391-\uffe5]+$";

        Pattern pattern = Pattern.compile(regStr);

        Matcher matcher = pattern.matcher(content);

        if (matcher.find()) {

            System.out.println("满足格式");

        } else {

            System.out.println("不满足格式");

        }

    }

}

满足格式

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

public class RegExp10 {

    public static void main(String[] args) {

        String content = "韩顺平a教育";

        String regStr = "^[\u0391-\uffe5]+$";

        Pattern pattern = Pattern.compile(regStr);

        Matcher matcher = pattern.matcher(content);

        if (matcher.find()) {

            System.out.println("满足格式");

        } else {

            System.out.println("不满足格式");

        }

    }

}

不满足格式