https://ilham.dev/tags/regex/Recent content in Regex on ilham.devHugo -- gohugo.ioenSun, 27 Sep 2026 00:00:00 +0700https://ilham.dev/posts/how-to-test-regex-before-using-it/Sun, 27 Sep 2026 00:00:00 +0700https://ilham.dev/posts/how-to-test-regex-before-using-it/Regex is powerful, but it is also easy to get almost right. “Almost right” is the problem. A regex can match too much, too little, or the right thing in your test but the wrong thing in production.https://ilham.dev/posts/how-to-use-grep-without-fighting-regex/Sun, 27 Sep 2026 00:00:00 +0700https://ilham.dev/posts/how-to-use-grep-without-fighting-regex/grep is the command I use when I know some text exists somewhere, but I do not remember which file contains it. The basic idea is simple: grep "database" app.log Plain meaning: