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Subject [GitHub] xccui commented on a change in pull request #6450: [FLINK-9991] [table] Add regexp_replace supported in TableAPI and SQL
Date Wed, 12 Sep 2018 09:52:05 GMT
xccui commented on a change in pull request #6450: [FLINK-9991] [table] Add regexp_replace
supported in TableAPI and SQL
URL: https://github.com/apache/flink/pull/6450#discussion_r216952714
 
 

 ##########
 File path: docs/dev/table/functions.md
 ##########
 @@ -2413,6 +2413,18 @@ REPEAT(string, integer)
       </td>
     </tr>
 
+    <tr>
+      <td>
+        {% highlight text %}
+REGEXP_REPLACE(string1, string2, string3)
+{% endhighlight %}
+      </td>
+      <td>
+        <p>Returns a string resulting from replacing all substrings in <i>string1</i>
that match the regular expression <i>string2</i> with replacement <i>string3</i>,
if <i>string1</i> or <i>string2</i> or <i>string3</i>
is NULL, returns NULL.</p> 
 
 Review comment:
   \<p>Returns a string from \<i>string1\</i> with all the substrings that
match a regular expression \<i>string2\</i> being replaced with \<i>string3\</i>.\</p>


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