vrana Tue Sep 20 07:42:59 2005 EDT
Modified files:
/phpdoc/en/reference/pcre pattern.syntax.xml
Log:
Note about \ in PHP strings (bug #34562)
http://cvs.php.net/diff.php/phpdoc/en/reference/pcre/pattern.syntax.xml?r1=1.10&r2=1.11&ty=u
Index: phpdoc/en/reference/pcre/pattern.syntax.xml
diff -u phpdoc/en/reference/pcre/pattern.syntax.xml:1.10
phpdoc/en/reference/pcre/pattern.syntax.xml:1.11
--- phpdoc/en/reference/pcre/pattern.syntax.xml:1.10 Thu Jun 23 10:35:56 2005
+++ phpdoc/en/reference/pcre/pattern.syntax.xml Tue Sep 20 07:42:58 2005
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.10 $ -->
+<!-- $Revision: 1.11 $ -->
<!-- splitted from ./en/functions/pcre.xml, last change in rev 1.2 -->
<refentry id="reference.pcre.pattern.syntax">
<refnamediv>
@@ -60,7 +60,7 @@
<simpara>
Though binary zero characters are supported in the subject string,
they are not allowed in a pattern string because it is passed as a
- normal C string, terminated by zero. The escape sequence "\\x00" can
+ normal C string, terminated by zero. The escape sequence "\x00" can
be used in the pattern to represent a binary zero.
</simpara>
</listitem>
@@ -290,6 +290,14 @@
with "\" to specify that it stands for itself. In
particular, if you want to match a backslash, you write "\\".
</para>
+ <note>
+ <para>
+ Single and double quoted PHP <link
+ linkend="language.types.string.syntax">strings</link> have special
+ meaning of backslash. Thus if \ has to be matched with a regular
+ expression \\, then "\\\\" or '\\\\' must be used in PHP code.
+ </para>
+ </note>
<para>
If a pattern is compiled with the
<link linkend="reference.pcre.pattern.modifiers">PCRE_EXTENDED</link>
option,
