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Original
2026-01-01
Modified
2026-02-21
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<p>Course updated on December 29, 2025</p>
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<p><a>Subscribe</a></p>
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<p><a>Subscribe</a></p>
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<p>Access this and all courses with a subscription</p>
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<p>Access this and all courses with a subscription</p>
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<p>What's included</p>
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<p>What's included</p>
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<p>11 lessons (video and/or text)</p>
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<p>11 lessons (video and/or text)</p>
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<p>10 exercises in the simulator</p>
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<p>10 exercises in the simulator</p>
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<p>Extended materials for 11 lessons</p>
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<h2>Description</h2>
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<h2>Description</h2>
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<p>Regular expressions (Regexp) are a powerful way to process strings, allowing you to find substrings (part of a string) in strings according to complex conditions. They are present in all high-level languages without exception and are often encountered in everyday work. However, you can only use the full power of regular expressions if you understand their language.</p>
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<p>Regular expressions (Regexp) are a powerful way to process strings, allowing you to find substrings (part of a string) in strings according to complex conditions. They are present in all high-level languages without exception and are often encountered in everyday work. However, you can only use the full power of regular expressions if you understand their language.</p>
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<h2>You will learn</h2>
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<h2>You will learn</h2>
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<ul><li><p>Handle strings efficiently in your language</p>
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<ul><li><p>Handle strings efficiently in your language</p>
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</li>
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</li>
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<li><p>Define complex expressions using character classes, ranges and conditions</p>
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<li><p>Define complex expressions using character classes, ranges and conditions</p>
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</li>
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</li>
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<li><p>Control the behavior of regular expressions with flags</p>
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<li><p>Control the behavior of regular expressions with flags</p>
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</li>
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</li>
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</ul><h2>Recommended programs</h2>
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</ul><h2>Recommended programs</h2>
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<ul><li><p>Run code right in the browser</p>
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<ul><li><p>Run code right in the browser</p>
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</li>
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</li>
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<li><p>Lifetime access</p>
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<li><p>Lifetime access</p>
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</li>
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</li>
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<li><p>Learn at your own pace</p>
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<li><p>Learn at your own pace</p>
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</li>
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</li>
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</ul><p><a>Subscribe</a></p>
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</ul><p><a>Subscribe</a></p>
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<p>Access this and all courses with a subscription</p>
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<p>Access this and all courses with a subscription</p>