A regex filter pulls out keywords matching a specific structure, like phrases containing a number followed by a unit.
The Problem With Doing This Manually
Handling this task by hand works for a short list, but it quickly becomes unreliable and time-consuming once a project involves a genuinely large export.
How Keep Lines Matching Regex Solves It
Keep Lines Matching Regex keeps only lines matching a custom regular expression pattern, applying the same rule consistently across an entire list in one pass instead of requiring line-by-line editing.
Where This Fits Into a Larger SEO Workflow
This kind of list processing rarely happens in isolation. It's typically one step among several, often paired with deduplication, sorting, or filtering on the same data before it moves on to the next stage of a project.
Next step: Run this directly through Keep Lines Matching Regex on SeoWolf's Notepad — it works instantly in the browser with nothing to install or log into.