From 8d0073f1bcef7e8ec4d37a1d7edd57cb3058258b Mon Sep 17 00:00:00 2001
From: Andreas Billmann <andreas.billmann@slab.de>
Date: Fri, 18 Dec 2015 01:53:29 +0100
Subject: [PATCH] empty strings shouldn't be validated by complex validations

---
 src/main/java/ninja/javafx/smartcsv/validation/Validator.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/ninja/javafx/smartcsv/validation/Validator.java b/src/main/java/ninja/javafx/smartcsv/validation/Validator.java
index ec394d4..1446aaf 100644
--- a/src/main/java/ninja/javafx/smartcsv/validation/Validator.java
+++ b/src/main/java/ninja/javafx/smartcsv/validation/Validator.java
@@ -87,7 +87,7 @@ public class Validator {
 
                     ValidationError error = ValidationError.withLineNumber(lineNumber);
                     checkBlankOrNull(columnConfig, value, error);
-                    if (value != null) {
+                    if (value != null && !value.isEmpty()) {
                         checkRegularExpression(columnConfig, value, error);
                         checkAlphaNumeric(columnConfig, value, error);
                         checkDate(columnConfig, value, error);