--- title: "#regular-expressions articles | Hashnode" description: "Explore 113 articles tagged #regular-expressions on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/regular-expressions" --- Tag # #regular-expressions 113 posts · 4 followers [Min SiThu](https://hashnode.com/@itsmeminsithu) · [2d ago](https://hashnode.com/posts/what-is-a-regular-expression-the-little-pattern-that-finds-any-text/6af5134bc550da447638661b) ### [What Is a Regular Expression? The Little Pattern That Finds Any Text](https://itsmeminsithu.hashnode.dev/what-is-a-regular-expression-the-little-pattern-that-finds-any-text?utm_source=hashnode&utm_medium=feed) It looks like keyboard soup, but it is really just a stencil you hold over a page 7 min read · [itsmeminsithu.hashnode.dev](https://itsmeminsithu.hashnode.dev/what-is-a-regular-expression-the-little-pattern-that-finds-any-text?utm_source=hashnode&utm_medium=feed) [Shubham Kumar Singh](https://hashnode.com/@shubhamsinghbundela) · [Feb 19](https://hashnode.com/posts/regular-expressions-regex-in-javascript/6997960b587b14d25b69e8f2) ### [Regular Expressions (Regex) in JavaScript](https://shubhamsinghbundela.hashnode.dev/regular-expressions-regex-in-javascript?utm_source=hashnode&utm_medium=feed) A complete guide to Regular Expressions (Regex) in JavaScript with simple explanations and real examples. Master pattern matching, validation, and str 3 min read · [shubhamsinghbundela.hashnode.dev](https://shubhamsinghbundela.hashnode.dev/regular-expressions-regex-in-javascript?utm_source=hashnode&utm_medium=feed) [Adam Wilson](https://hashnode.com/@adamw) · [Feb 16](https://hashnode.com/posts/using-qlik-regex-to-organise-messy-comment-fields/69934ca4667be184c294b4d5) ### [Using Qlik Regex to Organise Messy Comment Fields](https://hiadam.hashnode.dev/using-qlik-regex-to-organise-messy-comment-fields?utm_source=hashnode&utm_medium=feed) Free-text fields are both a blessing and a curse. They give users flexibility, but from a reporting point of view they’re often messy, inconsistent, and hard to work with. In this case, a customer had a Comments field where users manually typed infor... 3 min read · [hiadam.hashnode.dev](https://hiadam.hashnode.dev/using-qlik-regex-to-organise-messy-comment-fields?utm_source=hashnode&utm_medium=feed) [Abarna pap](https://hashnode.com/@roadmaperp) · [Feb 4](https://hashnode.com/posts/how-to-build-a-high-performance-production-team-in-4-simple-steps/698333dc2a718a7f5a97d633) ### [How to Build a High-Performance Production Team in 4 Simple Steps](https://7-silent-bottlenecks.hashnode.dev/how-to-build-a-high-performance-production-team-in-4-simple-steps?utm_source=hashnode&utm_medium=feed) The Real Problem — Good People, Broken Process Ever felt like your production team is full of capable people, yet things still fall through the cracks? Orders are delayed. Machines stay idle. Quality dips. And somehow… everyone is ‘trying their bes... 3 min read · [7-silent-bottlenecks.hashnode.dev](https://7-silent-bottlenecks.hashnode.dev/how-to-build-a-high-performance-production-team-in-4-simple-steps?utm_source=hashnode&utm_medium=feed) [Jamey Barton](https://hashnode.com/@DBAJamey) · [Aug 11, 2025](https://hashnode.com/posts/how-to-use-regex-in-sql-with-practical-examples/6899fa8cef698a2eac176638) ### [How to Use Regex in SQL With Practical Examples](https://dbajamey.hashnode.dev/how-to-use-regex-in-sql-with-practical-examples?utm_source=hashnode&utm_medium=feed) The issue of regular expressions in SQL Server is a tricky one. On the one hand, they can provide you with more complex and precise ways of getting and managing your data. On the other hand, SQL Server does not support regular expressions natively, y... 1 min read · [dbajamey.hashnode.dev](https://dbajamey.hashnode.dev/how-to-use-regex-in-sql-with-practical-examples?utm_source=hashnode&utm_medium=feed) [Khushal Agrawal](https://hashnode.com/@skippr) · [Aug 10, 2025](https://hashnode.com/posts/10-08-2025/6898b2e0252ac948c4bd080f) ### [Shunting Yard and Thompson's Algorithms](https://skippr.hashnode.dev/10-08-2025?utm_source=hashnode&utm_medium=feed) TIL: 10-08-2025 3 min read · [skippr.hashnode.dev](https://skippr.hashnode.dev/10-08-2025?utm_source=hashnode&utm_medium=feed) [TesserId](https://hashnode.com/@Reg-Ecks) · [Jul 27, 2025](https://hashnode.com/posts/colorization-of-delimited-content-with-perl/68863b484a69e334b7b28714) ### [Colorization of Delimited Content with Perl](https://bash-and-perl-tools.hashnode.dev/colorization-of-delimited-content-with-perl?utm_source=hashnode&utm_medium=feed) In Bash Terminals on Linux/UNIX Systems 3 min read · [bash-and-perl-tools.hashnode.dev](https://bash-and-perl-tools.hashnode.dev/colorization-of-delimited-content-with-perl?utm_source=hashnode&utm_medium=feed) [TesserId](https://hashnode.com/@Reg-Ecks) · [Jul 27, 2025](https://hashnode.com/posts/colorization-using-perl-with-regular-expressions/688622d2f7d205573736f05b) ### [Colorization Using Perl with Regular Expressions](https://bash-and-perl-tools.hashnode.dev/colorization-using-perl-with-regular-expressions?utm_source=hashnode&utm_medium=feed) In Bash Terminals on Linux/UNIX Systems 6 min read · [bash-and-perl-tools.hashnode.dev](https://bash-and-perl-tools.hashnode.dev/colorization-using-perl-with-regular-expressions?utm_source=hashnode&utm_medium=feed) [TesserId](https://hashnode.com/@Reg-Ecks) · [Jul 26, 2025](https://hashnode.com/posts/ansi-terminal-colors-in-brief/6884f506fbc556df7c173152) ### [ANSI Terminal Colors, in Brief](https://bash-and-perl-tools.hashnode.dev/ansi-terminal-colors-in-brief?utm_source=hashnode&utm_medium=feed) !!! Skip to “Basic Terminal Colorization” for the first code example.!!! Skip to “Teaser: Initialization of ANSI Colors in Perl“ if you already understand the codes and are ready to grab a skeleton Perl script to hack at. Below are paste-able command... 6 min read · [bash-and-perl-tools.hashnode.dev](https://bash-and-perl-tools.hashnode.dev/ansi-terminal-colors-in-brief?utm_source=hashnode&utm_medium=feed) [GitHubOpenSource](https://hashnode.com/@GitHubOpenSource) · [Jun 19, 2025](https://hashnode.com/posts/domain-scanner-find-available-domain-names-in-a-flash/6854109ea199b31e187951ca) ### [Domain Scanner: Find Available Domain Names in a Flash!](https://github-open-source.hashnode.dev/domain-scanner-find-available-domain-names-in-a-flash?utm_source=hashnode&utm_medium=feed) 📝 Quick Summary: Domain Scanner is a Go-based tool for checking domain name availability. It uses multiple verification methods like DNS records, WHOIS information, and SSL certificate verification. The tool supports advanced filtering with regular ... 3 min read · [github-open-source.hashnode.dev](https://github-open-source.hashnode.dev/domain-scanner-find-available-domain-names-in-a-flash?utm_source=hashnode&utm_medium=feed)