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<title>Programming &amp; Software Q&amp;A | CollectiveSolver - Recent questions tagged c#-regex</title>
<link>https://collectivesolver.com/tag/c%23-regex</link>
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<title>How to match the text after a substring of a multiline string with regex in C#</title>
<link>https://collectivesolver.com/97745/how-to-match-the-text-after-a-substring-of-a-multiline-string-with-regex-in-c%23</link>
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<pubDate>Tue, 26 May 2026 09:02:33 +0000</pubDate>
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<item>
<title>How to match a substring within 2 square brackets using RegEx in C#</title>
<link>https://collectivesolver.com/88301/how-to-match-a-substring-within-2-square-brackets-using-regex-in-c%23</link>
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<pubDate>Sat, 19 Jul 2025 06:07:00 +0000</pubDate>
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<title>How to extract a file name from a path, replace whitespaces, and make it lowercase using RegEx in C#</title>
<link>https://collectivesolver.com/88154/how-to-extract-a-file-name-from-a-path-replace-whitespaces-and-make-it-lowercase-using-regex-in-c%23</link>
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<pubDate>Tue, 15 Jul 2025 16:46:25 +0000</pubDate>
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<item>
<title>How to convert multiple &lt;br/&gt; tags to a single &lt;br/&gt; tag using RegEx in C#</title>
<link>https://collectivesolver.com/88120/how-to-convert-multiple-br-tags-to-a-single-br-tag-using-regex-in-c%23</link>
<description></description>
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<pubDate>Tue, 15 Jul 2025 05:46:30 +0000</pubDate>
</item>
<item>
<title>How to match the first word after an expression in a string using RegEx with C#</title>
<link>https://collectivesolver.com/86775/how-to-match-the-first-word-after-an-expression-in-a-string-using-regex-with-c%23</link>
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<pubDate>Sun, 15 Jun 2025 08:55:40 +0000</pubDate>
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<item>
<title>How to replace the characters !@#$%^*_+\= in a string using RegEx with C#</title>
<link>https://collectivesolver.com/86645/how-to-replace-the-characters-%40%23%24%25-_-in-a-string-using-regex-with-c%23</link>
<description></description>
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<pubDate>Wed, 11 Jun 2025 11:57:11 +0000</pubDate>
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<item>
<title>How to replace consecutive characters with only one using RegEx in C#</title>
<link>https://collectivesolver.com/86441/how-to-replace-consecutive-characters-with-only-one-using-regex-in-c%23</link>
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<pubDate>Fri, 06 Jun 2025 14:47:25 +0000</pubDate>
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<item>
<title>How to check if a string contains only letters, numbers, underscores and dashes in C#</title>
<link>https://collectivesolver.com/86161/how-to-check-if-a-string-contains-only-letters-numbers-underscores-and-dashes-in-c%23</link>
<description></description>
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<pubDate>Sat, 31 May 2025 07:03:55 +0000</pubDate>
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<item>
<title>How to declare a RegEx with character repetition to match the strings &quot;http&quot;, &quot;htttp&quot;, &quot;httttp&quot;, etc in C#</title>
<link>https://collectivesolver.com/85369/how-to-declare-a-regex-with-character-repetition-to-match-the-strings-http-htttp-httttp-etc-in-c%23</link>
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<pubDate>Thu, 15 May 2025 15:47:47 +0000</pubDate>
</item>
<item>
<title>How to find all double quote substrings in a string with C#</title>
<link>https://collectivesolver.com/85146/how-to-find-all-double-quote-substrings-in-a-string-with-c%23</link>
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<pubDate>Mon, 12 May 2025 08:40:05 +0000</pubDate>
</item>
<item>
<title>How to extract a substring between two tags using RegEx in C#</title>
<link>https://collectivesolver.com/83669/how-to-extract-a-substring-between-two-tags-using-regex-in-c%23</link>
<description></description>
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<pubDate>Wed, 02 Apr 2025 09:23:45 +0000</pubDate>
</item>
<item>
<title>How to convert lines in a multiline string starting with some &quot;#&quot; to start and end with &quot;_&quot; in C#</title>
<link>https://collectivesolver.com/83437/how-to-convert-lines-in-a-multiline-string-starting-with-some-%23-to-start-and-end-with-_-in-c%23</link>
<description></description>
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<pubDate>Thu, 27 Mar 2025 06:01:17 +0000</pubDate>
</item>
<item>
<title>How to check if a string contains only letters and numbers using RegEx in C#</title>
<link>https://collectivesolver.com/83399/how-to-check-if-a-string-contains-only-letters-and-numbers-using-regex-in-c%23</link>
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<pubDate>Tue, 25 Mar 2025 19:47:39 +0000</pubDate>
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