opt and fixed obu ip bug

core/mogo-core-utils/src/main/java/com/mogo/eagle/core/utilcode/util/StringUtils.java

@@ -6,6 +6,7 @@ import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
 
 import java.util.IllegalFormatException;
+import java.util.regex.Pattern;
 
 /**
  * <pre>
@@ -259,4 +260,17 @@ public final class StringUtils {
         }
         return text;
     }
+
+    /**
+     * Ip校验
+     * @param ipAddress 单个ip
+     * @return
+     */
+    public static boolean isValidIPAddress(String ipAddress) {
+        if ((ipAddress != null) && (!ipAddress.isEmpty())) {
+            return Pattern.matches("^([1-9]|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5])(\\.(\\d|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5])){3}$", ipAddress);
+        }
+        return false;
+    }
+
 }