diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/regex/PatternPool.java b/hutool-core/src/main/java/org/dromara/hutool/core/regex/PatternPool.java
index 060c6e615..b57f92715 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/regex/PatternPool.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/regex/PatternPool.java
@@ -136,7 +136,7 @@ public class PatternPool {
 	/**
 	 * UUID
 	 */
-	public final static Pattern UUID = Pattern.compile(RegexPool.UUID, Pattern.CASE_INSENSITIVE);
+	public final static Pattern UUID = Pattern.compile(RegexPool.UUID);
 	/**
 	 * 不带横线的UUID
 	 */
@@ -144,7 +144,7 @@ public class PatternPool {
 	/**
 	 * MAC地址正则
 	 */
-	public static final Pattern MAC_ADDRESS = Pattern.compile(RegexPool.MAC_ADDRESS, Pattern.CASE_INSENSITIVE);
+	public static final Pattern MAC_ADDRESS = Pattern.compile(RegexPool.MAC_ADDRESS);
 	/**
 	 * 16进制字符串
 	 */
diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/regex/RegexPool.java b/hutool-core/src/main/java/org/dromara/hutool/core/regex/RegexPool.java
index 5fdbd7ed2..d543247ba 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/regex/RegexPool.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/regex/RegexPool.java
@@ -136,7 +136,7 @@ public interface RegexPool {
 	/**
 	 * UUID
 	 */
-	String UUID = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$";
+	String UUID = "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$";
 	/**
 	 * 不带横线的UUID
 	 */
@@ -144,7 +144,8 @@ public interface RegexPool {
 	/**
 	 * MAC地址正则
 	 */
-	String MAC_ADDRESS = "((?:[a-fA-F0-9]{1,2}[:-]){5}[a-fA-F0-9]{1,2})|0x(\\d{12}).+ETHER";
+	//String MAC_ADDRESS = "((?:[a-fA-F0-9]{1,2}[:-]){5}[a-fA-F0-9]{1,2})|0x(\\d{12}).+ETHER";
+	String MAC_ADDRESS = "((?:[a-fA-F0-9]{1,2}[:-]){5}[a-fA-F0-9]{1,2})|((?:[a-fA-F0-9]{1,4}[.]){2}[a-fA-F0-9]{1,4})|[a-fA-F0-9]{12}|0x(\\d{12}).+ETHER";
 	/**
 	 * 16进制字符串
 	 */
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/regex/IssueIB95X4Test.java b/hutool-core/src/test/java/org/dromara/hutool/core/regex/IssueIB95X4Test.java
new file mode 100644
index 000000000..ce61fb858
--- /dev/null
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/regex/IssueIB95X4Test.java
@@ -0,0 +1,14 @@
+package org.dromara.hutool.core.regex;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class IssueIB95X4Test {
+	@Test
+	void isMacTest() {
+		Assertions.assertTrue(ReUtil.isMatch(PatternPool.MAC_ADDRESS, "ab1c.2d3e.f468"));
+		Assertions.assertTrue(ReUtil.isMatch(PatternPool.MAC_ADDRESS, "ab:1c:2d:3e:f4:68"));
+		Assertions.assertTrue(ReUtil.isMatch(PatternPool.MAC_ADDRESS, "ab-1c-2d-3e-f4-68"));
+		Assertions.assertTrue(ReUtil.isMatch(PatternPool.MAC_ADDRESS, "ab1c2d3ef468"));
+	}
+}