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Posted to cvs@httpd.apache.org by ja...@apache.org on 2019/09/01 14:39:31 UTC
svn commit: r1866240 -
/httpd/httpd/branches/2.4.x/docs/manual/rewrite/intro.xml
Author: jailletc36
Date: Sun Sep 1 14:39:30 2019
New Revision: 1866240
URL: http://svn.apache.org/viewvc?rev=1866240&view=rev
Log:
Fix PR 63713 reported by WJCarpenter:
Add a small word about '\' which is used in the examples below.
Add some missing links (<module>, <directive>)
Improve some xml layout to have it readable.
(r1866233 in trunk)
+ some trailing spaces removal and alignmed in examples to synch with trunk.
Modified:
httpd/httpd/branches/2.4.x/docs/manual/rewrite/intro.xml
Modified: httpd/httpd/branches/2.4.x/docs/manual/rewrite/intro.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/docs/manual/rewrite/intro.xml?rev=1866240&r1=1866239&r2=1866240&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/docs/manual/rewrite/intro.xml (original)
+++ httpd/httpd/branches/2.4.x/docs/manual/rewrite/intro.xml Sun Sep 1 14:39:30 2019
@@ -73,7 +73,7 @@ it will tell you exactly how each rule i
<section id="regex"><title>Regular Expressions</title>
-<p>mod_rewrite uses the <a href="http://pcre.org/">Perl Compatible
+<p><module>mod_rewrite</module> uses the <a href="http://pcre.org/">Perl Compatible
Regular Expression</a> vocabulary. In this document, we do not attempt
to provide a detailed reference to regular expressions. For that, we
recommend the <a href="http://pcre.org/pcre.txt">PCRE man pages</a>, the
@@ -103,32 +103,65 @@ well as write your own.</p>
<th>Example</th>
</tr>
-<tr><td><code>.</code></td><td>Matches any single
-character</td><td><code>c.t</code> will match <code>cat</code>,
-<code>cot</code>, <code>cut</code>, etc.</td></tr>
-<tr><td><code>+</code></td><td>Repeats the previous match one or more
-times</td><td><code>a+</code> matches <code>a</code>, <code>aa</code>,
-<code>aaa</code>, etc</td></tr>
-<tr><td><code>*</code></td><td>Repeats the previous match zero or more
-times.</td><td><code>a*</code> matches all the same things
-<code>a+</code> matches, but will also match an empty string.</td></tr>
-<tr><td><code>?</code></td><td>Makes the match optional.</td><td>
-<code>colou?r</code> will match <code>color</code> and <code>colour</code>.</td>
+<tr>
+ <td><code>.</code></td>
+ <td>Matches any single character</td>
+ <td><code>c.t</code> will match <code>cat</code>, <code>cot</code>,
+ <code>cut</code>, etc</td>
+</tr>
+<tr>
+ <td><code>+</code></td>
+ <td>Repeats the previous match one or more times</td>
+ <td><code>a+</code> matches <code>a</code>, <code>aa</code>,
+ <code>aaa</code>, etc</td>
+</tr>
+<tr>
+ <td><code>*</code></td>
+ <td>Repeats the previous match zero or more times</td>
+ <td><code>a*</code> matches all the same things <code>a+</code> matches,
+ but will also match an empty string</td>
+</tr>
+<tr>
+ <td><code>?</code></td>
+ <td>Makes the match optional</td>
+ <td><code>colou?r</code> will match <code>color</code> and
+ <code>colour</code></td>
+</tr>
+<tr>
+ <td><code>\</code></td>
+ <td>Escape the next character</td>
+ <td><code>\.</code> will match <code>.</code> (dot) and not <em>any single
+ character</em> as explain above</td>
+</tr>
+<tr>
+ <td><code>^</code></td>
+ <td>Called an anchor, matches the beginning of the string</td>
+ <td><code>^a</code> matches a string that begins with <code>a</code></td>
+</tr>
+<tr>
+ <td><code>$</code></td>
+ <td>The other anchor, this matches the end of the string</td>
+ <td><code>a$</code> matches a string that ends with <code>a</code></td>
+</tr>
+<tr>
+ <td><code>( )</code></td>
+ <td>Groups several characters into a single unit, and captures a match
+ for use in a backreference</td>
+ <td><code>(ab)+</code> matches <code>ababab</code> - that is, the
+ <code>+</code> applies to the group. For more on backreferences see
+ <a href="#InternalBackRefs">below</a></td>
</tr>
-<tr><td><code>^</code></td><td>Called an anchor, matches the beginning
-of the string</td><td><code>^a</code> matches a string that begins with
-<code>a</code></td></tr>
-<tr><td><code>$</code></td><td>The other anchor, this matches the end of
-the string.</td><td><code>a$</code> matches a string that ends with
-<code>a</code>.</td></tr>
-<tr><td><code>( )</code></td><td>Groups several characters into a single
-unit, and captures a match for use in a backreference.</td><td><code>(ab)+</code>
-matches <code>ababab</code> - that is, the <code>+</code> applies to the group.
-For more on backreferences see <a href="#InternalBackRefs">below</a>.</td></tr>
-<tr><td><code>[ ]</code></td><td>A character class - matches one of the
-characters</td><td><code>c[uoa]t</code> matches <code>cut</code>,
-<code>cot</code> or <code>cat</code>.</td></tr>
-<tr><td><code>[^ ]</code></td><td>Negative character class - matches any character not specified</td><td><code>c[^/]t</code> matches <code>cat</code> or <code>c=t</code> but not <code>c/t</code></td></tr>
+<tr>
+ <td><code>[ ]</code></td>
+ <td>A character class - matches one of the characters</td>
+ <td><code>c[uoa]t</code> matches <code>cut</code>, <code>cot</code> or
+ <code>cat</code></td>
+</tr>
+<tr>
+ <td><code>[^ ]</code></td>
+ <td>Negative character class - matches any character not specified</td>
+ <td><code>c[^/]t</code> matches <code>cat</code> or <code>c=t</code> but
+ not <code>c/t</code></td></tr>
</table>
<p>In <module>mod_rewrite</module> the <code>!</code> character can be
@@ -145,22 +178,22 @@ the expression.</p>
<em>CondPattern</em>, back-references are internally created
which can be used with the strings <code>$N</code> and
<code>%N</code> (see below). These are available for creating
- the <em>Substitution</em> parameter of a
+ the <em>Substitution</em> parameter of a
<directive module="mod_rewrite">RewriteRule</directive> or
- the <em>TestString</em> parameter of a
+ the <em>TestString</em> parameter of a
<directive module="mod_rewrite">RewriteCond</directive>.</p>
<p> Captures in the <directive module="mod_rewrite"
- >RewriteRule</directive> patterns are (counterintuitively) available to
- all preceding
+ >RewriteRule</directive> patterns are (counterintuitively) available to
+ all preceding
<directive module="mod_rewrite">RewriteCond</directive> directives,
because the <directive module="mod_rewrite">RewriteRule</directive>
expression is evaluated before the individual conditions.</p>
- <p>Figure 1 shows to which
- locations the back-references are transferred for expansion as
- well as illustrating the flow of the RewriteRule, RewriteCond
- matching. In the next chapters, we will be exploring how to use
- these back-references, so do not fret if it seems a bit alien
+ <p>Figure 1 shows to which
+ locations the back-references are transferred for expansion as
+ well as illustrating the flow of the RewriteRule, RewriteCond
+ matching. In the next chapters, we will be exploring how to use
+ these back-references, so do not fret if it seems a bit alien
to you at first.
</p>
@@ -183,12 +216,12 @@ of three arguments separated by spaces.
<li><var>[flags]</var>: options affecting the rewritten request.</li>
</ol>
-<p>The <var>Pattern</var> is a <a href="#regex">regular expression</a>.
-It is initially (for the first rewrite rule or until a substitution occurs)
-matched against the URL-path of the incoming request (the part after the
-hostname but before any question mark indicating the beginning of a query
-string) or, in per-directory context, against the request's path relative
-to the directory for which the rule is defined. Once a substitution has
+<p>The <var>Pattern</var> is a <a href="#regex">regular expression</a>.
+It is initially (for the first rewrite rule or until a substitution occurs)
+matched against the URL-path of the incoming request (the part after the
+hostname but before any question mark indicating the beginning of a query
+string) or, in per-directory context, against the request's path relative
+to the directory for which the rule is defined. Once a substitution has
occurred, the rules that follow are matched against the substituted
value.
</p>
@@ -289,7 +322,7 @@ argument is a list of flags that modify
different server, you could use:</p>
<highlight language="config">
RewriteCond "%{REMOTE_ADDR}" "^10\.2\."
-RewriteRule "(.*)" "http://intranet.example.com$1"
+RewriteRule "(.*)" "http://intranet.example.com$1"
</highlight>
<p>When more than
@@ -301,8 +334,8 @@ their query string, unless they also con
the word "go", you could use:</p>
<highlight language="config">
RewriteCond "%{QUERY_STRING}" "hack"
-RewriteCond "%{HTTP_COOKIE}" "!go"
-RewriteRule "." "-" [F]
+RewriteCond "%{HTTP_COOKIE}" !go
+RewriteRule "." "-" [F]
</highlight>
<p>Notice that the exclamation mark specifies a negative match, so the rule is only applied if the cookie does not contain "go".</p>
@@ -315,7 +348,7 @@ will direct the request to a different d
hostname used to access the site:</p>
<highlight language="config">
RewriteCond "%{HTTP_HOST}" "(.*)"
-RewriteRule "^/(.*)" "/sites/%1/$1"
+RewriteRule "^/(.*)" "/sites/%1/$1"
</highlight>
<p>If the request was for <code>http://example.com/foo/bar</code>,
then <code>%1</code> would contain <code>example.com</code>
@@ -354,5 +387,3 @@ the <directive module="mod_rewrite">Rewr
</section>
</manualpage>
-
-