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_r216952966
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File path: docs/dev/table/functions.md
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@@ -2638,6 +2650,18 @@ STRING.repeat(INT)
<p>E.g., <code>'This is a test String.'.repeat(2)</code> returns "This
is a test String.This is a test String.".</p>
</td>
</tr>
+
+ <tr>
+ <td>
+ {% highlight java %}
+STRING1.regexpReplace(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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