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    <title>Vidul Nikolaev Petrov: regexp on String object</title>
    <link>http://www.vidul.com/articles/2008/07/06/regexp-and-string-methods</link>
    <language>en-us</language>
    <ttl>40</ttl>
    <description></description>
    <item>
      <title>regexp on String object</title>
      <description>&lt;p&gt;Some of the more rarely used string methods:&lt;br /&gt;&lt;/p&gt;


&lt;div class="typocode"&gt;&lt;pre&gt;&lt;code class="typocode_ruby "&gt;&lt;span class="ident"&gt;str&lt;/span&gt; &lt;span class="punct"&gt;=&lt;/span&gt; &lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;&lt;span class="string"&gt;the tester&lt;/span&gt;&lt;span class="punct"&gt;&amp;quot;&lt;/span&gt;

&lt;span class="ident"&gt;str&lt;/span&gt;&lt;span class="punct"&gt;[&amp;quot;&lt;/span&gt;&lt;span class="string"&gt;tester&lt;/span&gt;&lt;span class="punct"&gt;&amp;quot;]&lt;/span&gt;        &lt;span class="comment"&gt;#true, the String contains &amp;quot;tester&amp;quot;&lt;/span&gt;
&lt;span class="ident"&gt;str&lt;/span&gt;&lt;span class="punct"&gt;[/&lt;/span&gt;&lt;span class="regex"&gt;&lt;span class="escape"&gt;\w&lt;/span&gt;+&lt;span class="escape"&gt;\s\w&lt;/span&gt;+&lt;/span&gt;&lt;span class="punct"&gt;/]&lt;/span&gt; &lt;span class="comment"&gt;#true, the String matches the regexp&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;

emulates &lt;a href="http://www.ruby-doc.org/core/classes/String.src/M000729.html"&gt;capitalize!&lt;/a&gt;
&lt;div class="typocode"&gt;&lt;pre&gt;&lt;code class="typocode_ruby "&gt;&lt;span class="ident"&gt;str&lt;/span&gt;&lt;span class="punct"&gt;[/&lt;/span&gt;&lt;span class="regex"&gt;(&lt;span class="escape"&gt;\w&lt;/span&gt;+)&lt;/span&gt;&lt;span class="punct"&gt;/]&lt;/span&gt; &lt;span class="punct"&gt;=&lt;/span&gt; &lt;span class="punct"&gt;(&lt;/span&gt;&lt;span class="global"&gt;$1&lt;/span&gt;&lt;span class="punct"&gt;[&lt;/span&gt;&lt;span class="number"&gt;0&lt;/span&gt;&lt;span class="punct"&gt;]&lt;/span&gt; &lt;span class="punct"&gt;-&lt;/span&gt; &lt;span class="number"&gt;32&lt;/span&gt;&lt;span class="punct"&gt;).&lt;/span&gt;&lt;span class="ident"&gt;chr&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;
&lt;br /&gt;
&lt;a href="http://www.ruby-doc.org/core/classes/String.html#M000700"&gt;RDoc Documentation&lt;/a&gt;</description>
      <pubDate>Sun, 06 Jul 2008 05:04:00 -0600</pubDate>
      <guid isPermaLink="false">urn:uuid:b4bb25a7-558f-4991-948f-921f7e4b7274</guid>
      <author>root</author>
      <link>http://www.vidul.com/articles/2008/07/06/regexp-and-string-methods</link>
      <category>Ruby</category>
      <category>string</category>
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