From 29a0ea32c69df836bc3e5a5247810c55fd9bd775 Mon Sep 17 00:00:00 2001
From: "Mr.An" <42627702+SnowMoon-Dev@users.noreply.github.com>
Date: Sat, 23 Apr 2022 18:41:03 +0800
Subject: [PATCH] [Fix] Support more generic tenant code when create tenant
 (#9634)

---
 .../apache/dolphinscheduler/api/utils/RegexUtils.java  |  2 +-
 .../dolphinscheduler/api/utils/RegexUtilsTest.java     | 10 ++++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/utils/RegexUtils.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/utils/RegexUtils.java
index 3fd12d90ba..df94af687b 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/utils/RegexUtils.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/utils/RegexUtils.java
@@ -26,7 +26,7 @@ import java.util.regex.Pattern;
  */
 public class RegexUtils {
 
-    private static final String LINUX_USERNAME_PATTERN = "[a-z_][a-z\\d_]{0,30}";
+    private static final String LINUX_USERNAME_PATTERN = "^[a-zA-Z0-9_].{0,30}";
 
     private RegexUtils() {
     }
diff --git a/dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/utils/RegexUtilsTest.java b/dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/utils/RegexUtilsTest.java
index 2a339fdea8..f37b057fcf 100644
--- a/dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/utils/RegexUtilsTest.java
+++ b/dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/utils/RegexUtilsTest.java
@@ -28,10 +28,10 @@ public class RegexUtilsTest {
     @Test
     public void testIsValidLinuxUserName() {
         String name1 = "10000";
-        Assert.assertFalse(RegexUtils.isValidLinuxUserName(name1));
+        Assert.assertTrue(RegexUtils.isValidLinuxUserName(name1));
 
         String name2 = "00hayden";
-        Assert.assertFalse(RegexUtils.isValidLinuxUserName(name2));
+        Assert.assertTrue(RegexUtils.isValidLinuxUserName(name2));
 
         String name3 = "hayde123456789123456789123456789";
         Assert.assertFalse(RegexUtils.isValidLinuxUserName(name3));
@@ -44,6 +44,12 @@ public class RegexUtilsTest {
 
         String name6 = "hayden";
         Assert.assertTrue(RegexUtils.isValidLinuxUserName(name6));
+
+        String name7 = "00hayden_0";
+        Assert.assertTrue(RegexUtils.isValidLinuxUserName(name2));
+
+        String name8 = "00hayden.8";
+        Assert.assertTrue(RegexUtils.isValidLinuxUserName(name2));
     }
 
     @Test