From a410639627d5b2b29f1fb141812312c7190c5470 Mon Sep 17 00:00:00 2001
From: Maxime Gobert <maxime.gobert@unamur.be>
Date: Wed, 28 Mar 2018 17:25:11 +0200
Subject: [PATCH] Contains support now regex as second argument

---
 .../google/refine/expr/functions/strings/Contains.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/main/src/com/google/refine/expr/functions/strings/Contains.java b/main/src/com/google/refine/expr/functions/strings/Contains.java
index dcfe23c57..99737b8de 100644
--- a/main/src/com/google/refine/expr/functions/strings/Contains.java
+++ b/main/src/com/google/refine/expr/functions/strings/Contains.java
@@ -34,6 +34,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 package com.google.refine.expr.functions.strings;
 
 import java.util.Properties;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import org.json.JSONException;
 import org.json.JSONWriter;
@@ -49,6 +51,14 @@ public class Contains implements Function {
             Object s2 = args[1];
             if (s1 != null && s2 != null && s1 instanceof String && s2 instanceof String) {
                 return ((String) s1).indexOf((String) s2) > -1;
+            } else if (s1 != null && s2 != null && s1 instanceof String && s2 instanceof Pattern){
+                String s = (String) s1;
+                Pattern pattern = (Pattern) s2;
+                Matcher matcher = pattern.matcher(s);
+                if (matcher.find()) {
+                    return true;
+                }else
+                    return false;
             }
         }
         return null;