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-rw-r--r--doc/src/sgml/func.sgml7
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 5724b9b2561..16ed17b118a 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
<!--
-$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.182 2003/12/16 15:27:58 petere Exp $
+$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.183 2003/12/18 03:59:07 momjian Exp $
PostgreSQL documentation
-->
@@ -3134,7 +3134,10 @@ substring('foobar' from 'o(.)b') <lineannotation>o</lineannotation>
<note>
<para>
Keep in mind that an escape's leading <literal>\</> will need to be
- doubled when entering the pattern as an SQL string constant.
+ doubled when entering the pattern as an SQL string constant. For example:
+<programlisting>
+'123' ~ '^\\d{3}' <lineannotation>true</lineannotation>
+</programlisting>
</para>
</note>