diff --git a/hutool-core/src/main/java/cn/hutool/core/lang/Validator.java b/hutool-core/src/main/java/cn/hutool/core/lang/Validator.java
index fa01f02c9..e1aa07a59 100755
--- a/hutool-core/src/main/java/cn/hutool/core/lang/Validator.java
+++ b/hutool-core/src/main/java/cn/hutool/core/lang/Validator.java
@@ -3,6 +3,7 @@ package cn.hutool.core.lang;
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.exceptions.ValidateException;
 import cn.hutool.core.regex.PatternPool;
+import cn.hutool.core.regex.RegexPool;
 import cn.hutool.core.util.CharsetUtil;
 import cn.hutool.core.util.CreditCodeUtil;
 import cn.hutool.core.math.NumberUtil;
@@ -915,7 +916,7 @@ public class Validator {
 	 * @since 5.2.1
 	 */
 	public static boolean hasChinese(final CharSequence value) {
-		return ReUtil.contains(ReUtil.RE_CHINESES, value);
+		return ReUtil.contains(RegexPool.CHINESES, value);
 	}
 
 	/**
diff --git a/hutool-core/src/main/java/cn/hutool/core/regex/ReUtil.java b/hutool-core/src/main/java/cn/hutool/core/regex/ReUtil.java
index 065804671..87ec9b9f0 100755
--- a/hutool-core/src/main/java/cn/hutool/core/regex/ReUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/regex/ReUtil.java
@@ -33,15 +33,6 @@ import java.util.regex.Pattern;
  */
 public class ReUtil {
 
-	/**
-	 * 正则表达式匹配中文汉字
-	 */
-	public final static String RE_CHINESE = RegexPool.CHINESE;
-	/**
-	 * 正则表达式匹配中文字符串
-	 */
-	public final static String RE_CHINESES = RegexPool.CHINESES;
-
 	/**
 	 * 正则中需要被转义的关键字
 	 */
@@ -459,7 +450,7 @@ public class ReUtil {
 	 * @return 删除后剩余的内容
 	 */
 	public static String delAll(final String regex, final CharSequence content) {
-		if (StrUtil.hasBlank(regex, content)) {
+		if (StrUtil.hasEmpty(regex, content)) {
 			return StrUtil.str(content);
 		}
 
@@ -475,7 +466,7 @@ public class ReUtil {
 	 * @return 删除后剩余的内容
 	 */
 	public static String delAll(final Pattern pattern, final CharSequence content) {
-		if (null == pattern || StrUtil.isBlank(content)) {
+		if (null == pattern || StrUtil.isEmpty(content)) {
 			return StrUtil.str(content);
 		}
 
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/ReUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/ReUtilTest.java
index 41c9c0db3..1635d2ad2 100755
--- a/hutool-core/src/test/java/cn/hutool/core/util/ReUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/ReUtilTest.java
@@ -14,6 +14,7 @@ import java.util.Map;
 import java.util.regex.Pattern;
 
 public class ReUtilTest {
+
 	static final String content = "ZZZaaabbbccc中文1234";
 
 	@Test
@@ -56,6 +57,7 @@ public class ReUtilTest {
 		Assert.assertEquals("公斤",ReUtil.delLast("\\d+", word));
 		Assert.assertEquals("公斤",ReUtil.delLast(PatternPool.NUMBERS, word));
 		//去除汉字
+		//noinspection UnnecessaryUnicodeEscape
 		Assert.assertEquals("180",ReUtil.delLast("[\u4E00-\u9FFF]+", word));
 		Assert.assertEquals("180",ReUtil.delLast(PatternPool.CHINESES, word));
 
@@ -66,6 +68,7 @@ public class ReUtilTest {
 		Assert.assertEquals("10.商品KLS100021型号xxl适合身高180体重斤的用户", s);
 
 		//多个匹配删除最后一个 判断是否不在包含最后的数字
+		//noinspection UnnecessaryUnicodeEscape
 		Assert.assertFalse(ReUtil.delLast("[\u4E00-\u9FFF]+", sentence).contains("斤的用户"));
 		Assert.assertFalse(ReUtil.delLast(PatternPool.CHINESES, sentence).contains("斤的用户"));
 	}
@@ -96,6 +99,7 @@ public class ReUtilTest {
 	@Test
 	public void isMatchTest() {
 		// 给定字符串是否匹配给定正则
+		//noinspection UnnecessaryUnicodeEscape
 		final boolean isMatch = ReUtil.isMatch("\\w+[\u4E00-\u9FFF]+\\d+", content);
 		Assert.assertTrue(isMatch);
 	}
@@ -227,4 +231,9 @@ public class ReUtilTest {
 		final String s = ReUtil.replaceAll("1.2.3.4", patternIp, "$1.**.**.$10");
 		Assert.assertEquals("1.**.**.4", s);
 	}
+
+	@Test
+	public void issueI6GIMTTest(){
+		Assert.assertEquals(StrUtil.EMPTY, ReUtil.delAll("[\\s]*", " "));
+	}
 }