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POHow can I match a Russian word using preg_replace in PHP?
 

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  1. POHow can I match a Russian word using preg_replace in PHP?
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    <p>How do I go about matching a Russian word in a string (also in Russian) in PHP?</p> <p>So for example something like this:</p> <pre><code>$pattern = '/слово/'; preg_replace($pattern, $replacement, $string_in_russian) </code></pre> <p>I tried <code>utf8_encode</code> and <code>htmlentities</code> with UTF-8 flag for $pattern, but it didn't work. Should I also encode $string_in_russian?</p> <p><b>Update:</b> Suggestion for /u flag didn't work so I'm putting the actual code I need this for. It is from a glossary plugin for Wordpress (my site is properly setup to use Russian language, and it does work, but not in this instance). So here's the code</p> <pre><code>$glossary_title = $glossary_item-&gt;post_title; $glossary_search = '/\b'.$glossary_title.'s*?\b(?=([^"]\*"[^"]\*")\*[^"]*$)/iu'; $glossary_replace = '&amp;lt;a'.$timestamp.'&amp;gt;$0&amp;lt;/a'.$timestamp.'&amp;gt;'; $content_temp = preg_replace($glossary_search, $glossary_replace, $content, 1); </code></pre> <p>When I do a quick echo into HTML comment this is the kind of string I get for the pattern<br> <code>/\bсловоs*?\b(?=([^"]*"[^"]<em>")</em>[^"]*$)/iu</code></p> <p>And well, that still doesn't seem to work. I thought maybe it was the "s" that was screwing me over (this level of regex is a bit beyond me but I assume it's there for possible plurals), but removing it didn't help.</p> <p><b>Update #2:</b> Okay so I decided to do a complete "blank slate" test - plain PHP file with some $content strings in English and Russian and target words to replace. Here is the code</p> <pre><code>$content_en = 'Nulla volutpat pretium nunc, ac feugiat neque lobortis vitae. In eu sapien sit amet eros tincidunt viverra. &lt;b style="color:purple"&gt;Proin&lt;/b&gt; congue hendrerit felis, et consequat neque ultrices lobortis. &lt;b style="color:purple"&gt;Proin&lt;/b&gt; luctus bibendum libero et molestie. Sed tristique lacus a urna semper eget feugiat lacus varius. Donec vel sodales diam. &lt;b style="color:purple"&gt;Proin&lt;/b&gt; fringilla laoreet purus, a facilisis nisi porttitor vel. Nullam ac justo ac elit laoreet ullamcorper vel a magna. Suspendisse in arcu sapien.'; $find_en = 'proin'; $replace_with_en = '&lt;em style="color:red"&gt;REPLACEMENT&lt;/em&gt;'; $glossary_search = '/\b'.$find_en.'s*?\b(?=([^"]*"[^"]*")*[^"]*$)/iu'; $content_en_replaced = preg_replace($glossary_search, $replace_with_en, $content_en); $content_ru = 'Lorem Ipsum используют потому, что тот обеспечивает более или менее стандартное заполнение шаблона, а также реальное распределение букв и пробелов в абзацах, которое не получается при простой дубликации "Здесь &lt;b style="color:purple"&gt;ваш&lt;/b&gt; текст.. Здесь &lt;b style="color:purple"&gt;ваш&lt;/b&gt; текст.. Здесь &lt;b style="color:purple"&gt;ваш&lt;/b&gt; текст.." Многие программы электронной вёрстки и редакторы HTML используют Lorem Ipsum в качестве текста по умолчанию.'; $find_ru = 'ваш'; $replace_with_ru = '&lt;em style="color:red"&gt;Многие&lt;/em&gt;'; $glossary_search = '/\b'.$find_ru.'s*?\b(?=([^"]*"[^"]*")*[^"]*$)/iu'; $content_ru_replaced = preg_replace($glossary_search, $replace_with_ru, $content_ru); </code></pre> <p>And here is a screenshot of the output <a href="http://www.flickr.com/photos/iliadraznin/5372578707/" rel="nofollow">http://www.flickr.com/photos/iliadraznin/5372578707/</a></p> <p>As you can see the English text had the target word replaced, while the Russian hasn't and the code is identical and I'm using the /u flag. The file is also UTF-8 encoded. Any suggestions? (and again, I tried removing the "s", still nothing)</p>
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