<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Regular Expressions on Andrez Segovia</title><link>https://andrezsc.com/categories/regular-expressions/</link><description>Recent content in Regular Expressions on Andrez Segovia</description><generator>Hugo -- gohugo.io</generator><language>en-US</language><managingEditor>me@andrezsc.com (Andrez Segovia)</managingEditor><webMaster>me@andrezsc.com (Andrez Segovia)</webMaster><copyright>© 2026 Andrez Segovia</copyright><lastBuildDate>Wed, 19 Mar 2025 09:16:36 -0500</lastBuildDate><atom:link href="https://andrezsc.com/categories/regular-expressions/index.xml" rel="self" type="application/rss+xml"/><item><title>Find All Letters Event Grave And Acute Ones With a Regular Expression</title><link>https://andrezsc.com/tils/find-all-letters-event-grave-and-acute-ones-with-a-regular-expression/</link><pubDate>Wed, 19 Mar 2025 09:16:36 -0500</pubDate><author>me@andrezsc.com (Andrez Segovia)</author><description>&lt;div class="highlight">&lt;pre tabindex="0" style="color:#e6edf3;background-color:#0d1117;-moz-tab-size:4;-o-tab-size:4;tab-size:4;">&lt;code class="language-java" data-lang="java">&lt;span style="display:flex;">&lt;span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#6e7681">1&lt;/span>&lt;span>String&lt;span style="color:#6e7681"> &lt;/span>value&lt;span style="color:#6e7681"> &lt;/span>&lt;span style="color:#ff7b72;font-weight:bold">=&lt;/span>&lt;span style="color:#6e7681"> &lt;/span>&lt;span style="color:#a5d6ff">&amp;#34;a Á á É é Í 8 . - ? í Ó ó Ú ú ü / ! ¿&amp;#34;&lt;/span>;&lt;span style="color:#6e7681"> 
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#6e7681">2&lt;/span>&lt;span>&lt;span style="color:#6e7681"> 
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#6e7681">3&lt;/span>&lt;span>&lt;span style="color:#6e7681">&lt;/span>Stream.of(value.split(&lt;span style="color:#a5d6ff">&amp;#34;&amp;#34;&lt;/span>)).filter(s&lt;span style="color:#6e7681"> &lt;/span>&lt;span style="color:#ff7b72;font-weight:bold">-&amp;gt;&lt;/span>&lt;span style="color:#6e7681"> &lt;/span>s.matches(&lt;span style="color:#a5d6ff">&amp;#34;\\p{L}&amp;#34;&lt;/span>))&lt;span style="color:#6e7681"> 
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#6e7681">4&lt;/span>&lt;span>&lt;span style="color:#6e7681"> &lt;/span>.forEach(System.out::printf);&lt;span style="color:#6e7681">
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#6e7681">5&lt;/span>&lt;span>&lt;span style="color:#6e7681">
&lt;/span>&lt;/span>&lt;/span>&lt;span style="display:flex;">&lt;span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#6e7681">6&lt;/span>&lt;span>&lt;span style="color:#6e7681">&lt;/span>&lt;span style="color:#8b949e;font-style:italic">//ÁaáÉeéÍiíÓóoOÚúü&lt;/span>&lt;span style="color:#6e7681">
&lt;/span>&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/div>&lt;p>The regular expression uses a &lt;a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Unicode_character_class_escape">Unicode character class escape&lt;/a> with a &lt;a href="https://www.unicode.org/reports/tr18/#General_Category_Property">General category property&lt;/a> for filter only the letters.&lt;/p></description></item></channel></rss>