Merge pull request #551 from lgcareer/dev-1.1.0

update email regex

escheduler-common/src/main/java/cn/escheduler/common/Constants.java

@@ -337,7 +337,7 @@ public final class Constants {
     /**
      * email regex
      */
-    public static final Pattern REGEX_MAIL_NAME = Pattern.compile("^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$");
+    public static final Pattern REGEX_MAIL_NAME = Pattern.compile("^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$");
 
     /**
      * read permission