diff --git a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/StringUtils.java b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/StringUtils.java
index 9382e5fc..84f893fb 100755
--- a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/StringUtils.java
+++ b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/StringUtils.java
@@ -23,6 +23,7 @@ package com.kingsrook.qqq.backend.core.utils;
 
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -475,4 +476,59 @@ public class StringUtils
       return (s);
    }
 
+
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   public static String maskAndTruncate(String value)
+   {
+      return (maskAndTruncate(value, "** MASKED **", 6, 4));
+   }
+
+
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   public static String maskAndTruncate(String value, String mask, int minLengthToMask, int charsToShowOnEnds)
+   {
+      if(!hasContent(value))
+      {
+         return ("");
+      }
+
+      if(value.length() < minLengthToMask || value.length() < 2 * charsToShowOnEnds)
+      {
+         return mask;
+      }
+
+      if(value.length() < charsToShowOnEnds * 3)
+      {
+         return (value.substring(0, charsToShowOnEnds) + mask);
+      }
+
+      return (value.substring(0, charsToShowOnEnds) + mask + value.substring(value.length() - charsToShowOnEnds));
+   }
+
+
+
+   /***************************************************************************
+    **
+    ***************************************************************************/
+   public static String nCopies(int n, String s)
+   {
+      return (nCopiesWithGlue(n, s, ""));
+   }
+
+
+
+   /***************************************************************************
+    **
+    ***************************************************************************/
+   public static String nCopiesWithGlue(int n, String s, String glue)
+   {
+      return (StringUtils.join(glue, Collections.nCopies(n, s)));
+   }
+
 }
diff --git a/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java
index d0aae185..0f0f15ec 100644
--- a/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java
+++ b/qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/utils/StringUtilsTest.java
@@ -333,4 +333,76 @@ class StringUtilsTest extends BaseTest
       assertEquals("a", StringUtils.emptyToNull("a"));
    }
 
+
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testNCopies()
+   {
+      assertEquals("", StringUtils.nCopies(0, "a"));
+      assertEquals("a", StringUtils.nCopies(1, "a"));
+      assertEquals("aa", StringUtils.nCopies(2, "a"));
+      assertEquals("ab ab ab ", StringUtils.nCopies(3, "ab "));
+   }
+
+
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testNCopiesWithGlue()
+   {
+      assertEquals("", StringUtils.nCopiesWithGlue(0, "a", ""));
+      assertEquals("", StringUtils.nCopiesWithGlue(0, "a", ","));
+      assertEquals("a", StringUtils.nCopiesWithGlue(1, "a", ","));
+      assertEquals("aa", StringUtils.nCopiesWithGlue(2, "a", ""));
+      assertEquals("a,a", StringUtils.nCopiesWithGlue(2, "a", ","));
+      assertEquals("ab ab ab", StringUtils.nCopiesWithGlue(3, "ab", " "));
+   }
+
+
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testMaskAndTruncate()
+   {
+      assertEquals("", StringUtils.maskAndTruncate(null));
+      assertEquals("", StringUtils.maskAndTruncate(""));
+      assertEquals("** MASKED **", StringUtils.maskAndTruncate("1"));
+      assertEquals("** MASKED **", StringUtils.maskAndTruncate("12"));
+      assertEquals("** MASKED **", StringUtils.maskAndTruncate("123"));
+      assertEquals("** MASKED **", StringUtils.maskAndTruncate("1234"));
+      assertEquals("** MASKED **", StringUtils.maskAndTruncate("12345"));
+      assertEquals("** MASKED **", StringUtils.maskAndTruncate("123456"));
+      assertEquals("** MASKED **", StringUtils.maskAndTruncate("1234567"));
+      assertEquals("1234** MASKED **", StringUtils.maskAndTruncate("12345678"));
+      assertEquals("1234** MASKED **", StringUtils.maskAndTruncate("123456789"));
+      assertEquals("1234** MASKED **", StringUtils.maskAndTruncate("1234567890"));
+      assertEquals("1234** MASKED **", StringUtils.maskAndTruncate("12345678901"));
+      assertEquals("1234** MASKED **9012", StringUtils.maskAndTruncate("123456789012"));
+      assertEquals("1234** MASKED **6789", StringUtils.maskAndTruncate("123456789" + StringUtils.nCopies(100, "xyz") + "123456789"));
+
+      assertEquals("***", StringUtils.maskAndTruncate("12", "***", 3, 1));
+      assertEquals("1***3", StringUtils.maskAndTruncate("123", "***", 3, 1));
+      assertEquals("1***4", StringUtils.maskAndTruncate("1234", "***", 3, 1));
+      assertEquals("1***5", StringUtils.maskAndTruncate("12345", "***", 3, 1));
+      assertEquals("12***", StringUtils.maskAndTruncate("12345", "***", 3, 2));
+      assertEquals("12***56", StringUtils.maskAndTruncate("123456", "***", 3, 2));
+
+      assertEquals("***", StringUtils.maskAndTruncate("12", "***", 3, 4));
+      assertEquals("***", StringUtils.maskAndTruncate("123", "***", 3, 4));
+      assertEquals("***", StringUtils.maskAndTruncate("1234", "***", 3, 4));
+      assertEquals("***", StringUtils.maskAndTruncate("12345", "***", 3, 4));
+      assertEquals("***", StringUtils.maskAndTruncate("12345", "***", 3, 4));
+      assertEquals("***", StringUtils.maskAndTruncate("123456", "***", 3, 4));
+      assertEquals("1234***", StringUtils.maskAndTruncate("1234567890", "***", 3, 4));
+      assertEquals("1234***", StringUtils.maskAndTruncate("12345678901", "***", 3, 4));
+      assertEquals("1234***9012", StringUtils.maskAndTruncate("123456789012", "***", 3, 4));
+   }
+
 }