initializeHEADmain

1 files changed, 20 insertions, 0 deletions

diff --git a/src/main/java/com/mesasoft/cn/util/Verify.java b/src/main/java/com/mesasoft/cn/util/Verify.java
new file mode 100644
index 0000000..8e63ea3
--- /dev/null
+++ b/src/main/java/com/mesasoft/cn/util/Verify.java
@@ -0,0 +1,20 @@
+package com.mesasoft.cn.util;
+
+import java.util.regex.Pattern;
+
+public class Verify {
+
+
+    private static final String DOMAIN_NAME_PATTERN = "^((?!-)[A-Za-z0-9-]{1,63}(?<!-)\\.)+[A-Za-z]{2,6}$";
+
+    private static Pattern pDomainName = Pattern.compile(DOMAIN_NAME_PATTERN);
+
+    public static boolean domainValid(String domainName) {
+        return pDomainName.matcher(domainName).find();
+    }
+
+    public static void main(String[] args) {
+        boolean b = domainValid("192.168.44.12");
+        System.err.println(b);
+    }
+}