diff --git a/regTest/src/main/java/com/hongyi/RegTheory.java b/regTest/src/main/java/com/hongyi/day1/RegTheory.java
similarity index 98%
rename from regTest/src/main/java/com/hongyi/RegTheory.java
rename to regTest/src/main/java/com/hongyi/day1/RegTheory.java
index 569941149289be200d2c9127fbf05aa9ad7d19a0..5036407fd866e74af8db8643a6815507e535eb17 100644
--- a/regTest/src/main/java/com/hongyi/RegTheory.java
+++ b/regTest/src/main/java/com/hongyi/day1/RegTheory.java
@@ -1,4 +1,4 @@
-package com.hongyi;
+package com.hongyi.day1;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
diff --git a/regTest/src/main/java/com/hongyi/Regex01.java b/regTest/src/main/java/com/hongyi/day1/Regex01.java
similarity index 94%
rename from regTest/src/main/java/com/hongyi/Regex01.java
rename to regTest/src/main/java/com/hongyi/day1/Regex01.java
index 43323993a4242e214aaeb7c2e1d2ea9189ba8958..12e5f4e916674255b1868d7738fa7708247c3d36 100644
--- a/regTest/src/main/java/com/hongyi/Regex01.java
+++ b/regTest/src/main/java/com/hongyi/day1/Regex01.java
@@ -1,4 +1,4 @@
-package com.hongyi;
+package com.hongyi.day1;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
diff --git a/regTest/src/main/java/com/hongyi/Regex02.java b/regTest/src/main/java/com/hongyi/day1/Regex02.java
similarity index 96%
rename from regTest/src/main/java/com/hongyi/Regex02.java
rename to regTest/src/main/java/com/hongyi/day1/Regex02.java
index c6e3475284d1884d510ea52fbf0a337cfe8c1f5c..e5ec16c4bdc780b3baeac0108baaa13db31347d1 100644
--- a/regTest/src/main/java/com/hongyi/Regex02.java
+++ b/regTest/src/main/java/com/hongyi/day1/Regex02.java
@@ -1,4 +1,4 @@
-package com.hongyi;
+package com.hongyi.day1;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
diff --git a/regTest/src/main/java/com/hongyi/Regex03.java b/regTest/src/main/java/com/hongyi/day1/Regex03.java
similarity index 95%
rename from regTest/src/main/java/com/hongyi/Regex03.java
rename to regTest/src/main/java/com/hongyi/day1/Regex03.java
index acee08437f88ae902d81d655ffa1e9f19a44e3c0..8de2d60a27804254b677fe876d9fb3081046ce44 100644
--- a/regTest/src/main/java/com/hongyi/Regex03.java
+++ b/regTest/src/main/java/com/hongyi/day1/Regex03.java
@@ -1,4 +1,4 @@
-package com.hongyi;
+package com.hongyi.day1;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
diff --git a/regTest/src/main/java/com/hongyi/Regex04.java b/regTest/src/main/java/com/hongyi/day1/Regex04.java
similarity index 94%
rename from regTest/src/main/java/com/hongyi/Regex04.java
rename to regTest/src/main/java/com/hongyi/day1/Regex04.java
index 7b3e71047c6bf65259b04c33261d38850f1fc347..83f7a342b078e21212e8fac1db27cda7ea5d5403 100644
--- a/regTest/src/main/java/com/hongyi/Regex04.java
+++ b/regTest/src/main/java/com/hongyi/day1/Regex04.java
@@ -1,4 +1,4 @@
-package com.hongyi;
+package com.hongyi.day1;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
diff --git a/regTest/src/main/java/com/hongyi/Regex05.java b/regTest/src/main/java/com/hongyi/day1/Regex05.java
similarity index 78%
rename from regTest/src/main/java/com/hongyi/Regex05.java
rename to regTest/src/main/java/com/hongyi/day1/Regex05.java
index 7f8ab598e2b60c857e244813b505492fba65fef7..1abd86508a17a0884f3342242311b20d95ef582d 100644
--- a/regTest/src/main/java/com/hongyi/Regex05.java
+++ b/regTest/src/main/java/com/hongyi/day1/Regex05.java
@@ -1,4 +1,4 @@
-package com.hongyi;
+package com.hongyi.day1;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -6,9 +6,9 @@ import java.util.regex.Pattern;
 // 定位符使用
 public class Regex05 {
     public static void main(String[] args) {
-        String content = "123abc";
+        String content = "a123abc";
 
-        String regStr = "";
+        String regStr = "^[0-9]+[a-z]*";
 
         Pattern pattern = Pattern.compile(regStr);
         Matcher matcher = pattern.matcher(content);
@@ -16,6 +16,5 @@ public class Regex05 {
         while (matcher.find()) {
             System.out.println("find: " + matcher.group(0));
         }
-
     }
 }
diff --git a/regTest/src/main/java/com/hongyi/day1/Regex06.java b/regTest/src/main/java/com/hongyi/day1/Regex06.java
new file mode 100644
index 0000000000000000000000000000000000000000..49762db435951a860d8d993523be2dd00378cbe0
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day1/Regex06.java
@@ -0,0 +1,28 @@
+package com.hongyi.day1;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/21 19:53
+ * @Version 1.0
+ */
+
+// 分组
+public class Regex06 {
+    public static void main(String[] args) {
+        String content = "Hongyi s7788 nn1198han";
+
+        String regStr = "(?<g1>\\d\\d)(?<g2>\\d\\d)";
+
+        Pattern pattern = Pattern.compile(regStr);
+        Matcher matcher = pattern.matcher(content);
+
+        while (matcher.find()) {
+            System.out.println("find: " + matcher.group(0));
+            System.out.println("第一个分组的内容: " + matcher.group("g1"));
+            System.out.println("第二个分组的内容: " + matcher.group("g2"));
+        }
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/day1/Regex08.java b/regTest/src/main/java/com/hongyi/day1/Regex08.java
new file mode 100644
index 0000000000000000000000000000000000000000..52fd51dc4d1c20edb2be569ed8df688f3866b513
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day1/Regex08.java
@@ -0,0 +1,26 @@
+package com.hongyi.day1;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/21 20:10
+ * @Version 1.0
+ */
+
+// 非捕获分组
+public class Regex08 {
+    public static void main(String[] args) {
+        String content = "hello韩顺平教育 jack韩顺平老师 韩顺平同学hello";
+
+        String regStr = "韩顺平(?!教育|老师)";
+
+        Pattern pattern = Pattern.compile(regStr);
+        Matcher matcher = pattern.matcher(content);
+
+        while (matcher.find()) {
+            System.out.println("find: " + matcher.group(0));
+        }
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/day1/Regex09.java b/regTest/src/main/java/com/hongyi/day1/Regex09.java
new file mode 100644
index 0000000000000000000000000000000000000000..9af6f9f3c556a90eb45a4481062362a82e0af4e2
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day1/Regex09.java
@@ -0,0 +1,25 @@
+package com.hongyi.day1;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/21 20:23
+ * @Version 1.0
+ */
+public class Regex09 {
+    public static void main(String[] args) {
+        String content = "hello 1111 ok";
+
+        String regStr = "\\d+"; // 1111
+        String regStr1 = "\\d+?"; // 输出4个1
+
+        Pattern pattern = Pattern.compile(regStr1);
+        Matcher matcher = pattern.matcher(content);
+
+        while (matcher.find()) {
+            System.out.println("find: " + matcher.group(0));
+        }
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/day1/Regex10.java b/regTest/src/main/java/com/hongyi/day1/Regex10.java
new file mode 100644
index 0000000000000000000000000000000000000000..e882b857f9b4cc3957f3f36c47816771f4d49451
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day1/Regex10.java
@@ -0,0 +1,27 @@
+package com.hongyi.day1;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/21 20:33
+ * @Version 1.0
+ */
+public class Regex10 {
+    public static void main(String[] args) {
+        String content = "11555555555";
+
+//        String regStr = "^[\u0391-\uffe5]+$";
+        String regStr = "^[1](?:3|4|5|8)\\d{9}$";
+
+        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");
+        }
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/day1/Regex11.java b/regTest/src/main/java/com/hongyi/day1/Regex11.java
new file mode 100644
index 0000000000000000000000000000000000000000..e02e342eff684b7a7b907a8cb47336b4dfd15aa6
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day1/Regex11.java
@@ -0,0 +1,28 @@
+package com.hongyi.day1;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/21 20:49
+ * @Version 1.0
+ */
+public class Regex11 {
+    public static void main(String[] args) {
+        String content = "https://www.bilibili.com/video/BV1Eq4y1E79W?p=17&spm_id_from=pageDriver";
+
+
+
+        String regStr = "^((http|https)://)?([\\w-]+\\.)+[\\w-]+(\\/[\\w-?=&/%.#]*)?";
+
+
+
+        Pattern pattern = Pattern.compile(regStr);
+        Matcher matcher = pattern.matcher(content);
+
+        while (matcher.find()) {
+            System.out.println("find: " + matcher.group(0));
+        }
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/Regexp.java b/regTest/src/main/java/com/hongyi/day1/Regexp.java
similarity index 99%
rename from regTest/src/main/java/com/hongyi/Regexp.java
rename to regTest/src/main/java/com/hongyi/day1/Regexp.java
index bc616f208f2c9eb88f55b7ec0c1d6d80c7db458c..ef5c301ce85c89a4c6542421f656b0f2b96e3953 100644
--- a/regTest/src/main/java/com/hongyi/Regexp.java
+++ b/regTest/src/main/java/com/hongyi/day1/Regexp.java
@@ -1,4 +1,4 @@
-package com.hongyi;
+package com.hongyi.day1;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
diff --git a/regTest/src/main/java/com/hongyi/day2/Regex01.java b/regTest/src/main/java/com/hongyi/day2/Regex01.java
new file mode 100644
index 0000000000000000000000000000000000000000..2301aa3e30ffda6138178a5f85ad9d4bea6d7d02
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day2/Regex01.java
@@ -0,0 +1,22 @@
+package com.hongyi.day2;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/22 14:04
+ * @Version 1.0
+ */
+// 演示matchers方法
+public class Regex01 {
+    public static void main(String[] args) {
+        String content = "hello abc hello, 韩顺平教育";
+
+        String regStr = "hello";
+        String regStr1 = "hello.*";
+
+        boolean matches = Pattern.matches(regStr1, content);
+        System.out.println("整体匹配=" + matches);
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/day2/Regex02.java b/regTest/src/main/java/com/hongyi/day2/Regex02.java
new file mode 100644
index 0000000000000000000000000000000000000000..8c20d11e9303bc26164df82639302b1d1964904f
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day2/Regex02.java
@@ -0,0 +1,24 @@
+package com.hongyi.day2;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/22 14:14
+ * @Version 1.0
+ */
+public class Regex02 {
+    public static void main(String[] args) {
+        String content = "hello abc jack hello atm Hongyi";
+
+        String regStr = "hello";
+
+        Pattern pattern = Pattern.compile(regStr);
+        Matcher matcher = pattern.matcher(content);
+        // 注意原来的字符串content并没有改变
+        String newContent = matcher.replaceAll("world");
+        System.out.println(content);
+        System.out.println(newContent);
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/day2/Regex03.java b/regTest/src/main/java/com/hongyi/day2/Regex03.java
new file mode 100644
index 0000000000000000000000000000000000000000..d7d8395722a8285c92da52d1fb8655169febce81
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day2/Regex03.java
@@ -0,0 +1,24 @@
+package com.hongyi.day2;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/22 14:34
+ * @Version 1.0
+ */
+public class Regex03 {
+    public static void main(String[] args) {
+        String content = "hello jack11 tom22 Hongyi";
+
+        String regStr = "(\\d)\\1";
+
+        Pattern pattern = Pattern.compile(regStr);
+        Matcher matcher = pattern.matcher(content);
+
+        while (matcher.find()) {
+            System.out.println("find: " + matcher.group(0));
+        }
+    }
+}
diff --git a/regTest/src/main/java/com/hongyi/day2/Regex04.java b/regTest/src/main/java/com/hongyi/day2/Regex04.java
new file mode 100644
index 0000000000000000000000000000000000000000..5a1ab90e52bd0787bf2bd01ef44319a89e731954
--- /dev/null
+++ b/regTest/src/main/java/com/hongyi/day2/Regex04.java
@@ -0,0 +1,28 @@
+package com.hongyi.day2;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author Kisugi Takumi
+ * @Date 2022/3/22 15:08
+ * @Version 1.0
+ */
+public class Regex04 {
+    public static void main(String[] args) {
+        String content = "我...我要...学学学学...编程java!";
+        // 1.去掉所有的.
+        Pattern pattern = Pattern.compile("\\.");
+        Matcher matcher = pattern.matcher(content);
+        content = matcher.replaceAll("");
+
+        // 此时 content = "我我要学学学学编程java!"
+        // 2.去掉重复的字
+        // 使用 (.)\\1+ 匹配
+        pattern = Pattern.compile("(.)\\1+"); // 分组捕获的内容记录到$1
+        matcher = pattern.matcher(content);
+
+        content = matcher.replaceAll("$1");
+        System.out.println(content);
+    }
+}