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<p>
Previous: <a href="Quoted-Constructs.html#Quoted-Constructs" accesskey="p" rel="previous">Quoted Constructs</a>, Up: <a href="Common-Patterns.html#Common-Patterns" accesskey="u" rel="up">Common Patterns</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indices.html#Indices" title="Index" rel="index">Index</a>]</p>
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<a name="Addresses-1"></a>
<h4 class="subsection">A.4.4 Addresses</h4>

<dl compact="compact">
<dt>IPv4 Address</dt>
<dd><p><code>(([[:digit:]]{1,3}&quot;.&quot;){3}([[:digit:]]{1,3}))</code>
</p>
</dd>
<dt>IPv6 Address</dt>
<dd><pre class="verbatim">hex4         ([[:xdigit:]]{1,4})
hexseq       ({hex4}(:{hex4}*))
hexpart      ({hexseq}|({hexseq}::({hexseq}?))|::{hexseq})
IPv6address  ({hexpart}(&quot;:&quot;{IPv4address})?)
</pre>
<p>See RFC2373 for details.
</p>
</dd>
<dt>URI</dt>
<dd><p><code>(([^:/?#]+):)?(&quot;//&quot;([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?</code>
</p>
<p>This pattern is nearly useless, since it allows just about any character to
appear in a URI, including spaces and control characters.  See RFC2396 for
details.
</p>
</dd>
</dl>





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flex-doc 2.5.35-10.1ubuntu2 / usr / share / doc / flex-doc / html / Addresses.html
