From: Eric Covener <covener@apache.org>
Date: Mon, 27 Dec 2010 22:41:00 +0000 (+0000)
Subject: provide a mod_substitute example that uses backreferences
X-Git-Tag: 2.3.11~342
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=544fd0542bcb7ceac8bad71c9c61e7ec4d9fea54;p=apache

provide a mod_substitute example that uses backreferences
for matching as well as for substitution.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1053212 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/docs/manual/mod/mod_substitute.html.en b/docs/manual/mod/mod_substitute.html.en
index 9f2cd5086a..6914e6bfd2 100644
--- a/docs/manual/mod/mod_substitute.html.en
+++ b/docs/manual/mod/mod_substitute.html.en
@@ -97,6 +97,18 @@
         &lt;/Location&gt;
     </code></p></div>
 
+    <p>Backreferences can be used in the comparison and in the substituion,
+    when regular expressions are used, as illustrated in the following example: </p>
+    <div class="example"><h3>Example of using backreferences and captures</h3><p><code>
+        &lt;Location /&gt;
+        <span class="indent">
+            AddOutputFilterByType SUBSTITUTE text/html<br />
+            # "foo=k,bar=k" -&gt; "foo/bar=k" <br />
+            Substitute "s|foo=(\w+),bar=\1|foo/bar=$1"
+        </span>
+        &lt;/Location&gt;
+    </code></p></div>
+
     <p>A common use scenario for <code>mod_substitute</code> is the
     situation in which a front-end server proxies requests to a back-end
     server which returns HTML with hard-coded embedded URLs that refer
diff --git a/docs/manual/mod/mod_substitute.xml b/docs/manual/mod/mod_substitute.xml
index fb97f88f25..7191740b85 100644
--- a/docs/manual/mod/mod_substitute.xml
+++ b/docs/manual/mod/mod_substitute.xml
@@ -91,6 +91,18 @@
         &lt;/Location&gt;
     </example>
 
+    <p>Backreferences can be used in the comparison and in the substituion,
+    when regular expressions are used, as illustrated in the following example: </p>
+    <example><title>Example of using backreferences and captures</title>
+        &lt;Location /&gt;
+        <indent>
+            AddOutputFilterByType SUBSTITUTE text/html<br />
+            # "foo=k,bar=k" -> "foo/bar=k" <br />
+            Substitute "s|foo=(\w+),bar=\1|foo/bar=$1"
+        </indent>
+        &lt;/Location&gt;
+    </example>
+
     <p>A common use scenario for <code>mod_substitute</code> is the
     situation in which a front-end server proxies requests to a back-end
     server which returns HTML with hard-coded embedded URLs that refer