From eee23bdd1e4e4280c942ea3599e697028e77a06e Mon Sep 17 00:00:00 2001
From: wanggeng <450292408@qq.com>
Date: Sat, 12 Feb 2022 16:53:15 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=AD=97=E7=AC=A6=E4=B8=B2?=
 =?UTF-8?q?=E5=80=92=E5=BA=8F=E9=87=8D=E5=A4=8D=E5=AD=97=E7=AC=A6=E7=BA=A6?=
 =?UTF-8?q?=E6=9D=9F=E6=9D=A1=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../ink/wgink/util/string/WStringUtil.java    | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/basic-util/src/main/java/ink/wgink/util/string/WStringUtil.java b/basic-util/src/main/java/ink/wgink/util/string/WStringUtil.java
index 35bb6c42..81deb816 100644
--- a/basic-util/src/main/java/ink/wgink/util/string/WStringUtil.java
+++ b/basic-util/src/main/java/ink/wgink/util/string/WStringUtil.java
@@ -398,4 +398,26 @@ public class WStringUtil {
         return str.substring(0, unRepeatCharIndex + 1);
     }
 
+    /**
+     * 倒叙截取重复字段
+     *
+     * @param str
+     * @param repeatChar
+     * @param minRepeatCount
+     * @return
+     */
+    public static String cutContinuityRepeatCharDesc(String str, char repeatChar, int minRepeatCount) {
+        int repeatCount = 0;
+        for (int i = str.length() - 1; i >= 0; i--) {
+            if (str.charAt(i) != repeatChar) {
+                break;
+            }
+            repeatCount++;
+        }
+        if (repeatCount < minRepeatCount) {
+            return str;
+        }
+        return cutContinuityRepeatCharDesc(str, repeatChar);
+    }
+
 }