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Please find enclosed a patch exemplifying typical use of the ARE

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Class-Shorthand Escapes<C2><AE>.  I believe it will help intrepid regex
users. :)

David Fetter
This commit is contained in:
Bruce Momjian 2003-12-18 03:59:07 +00:00
parent ed96bfde18
commit e9aec81792
1 changed files with 5 additions and 2 deletions
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7
doc/src/sgml/func.sgml
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@ -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>