Edit the expression up top, watch every test row light up where it matches. Captures land in a column you can copy.
/^([a-z0-9._]+)@([a-z0-9.-]+)\.[a-z]{2,}$/ilisa@beste.devlisaalex.turner@workspace.ioalex.turnernot-an-email—maria_99@beste.comaria_99missing@tld—robin@hello.worldrobinBrowser-chrome card hosting a regex playground — pattern + active flag pills up top, test rows with inline match highlights and capture column, summary footer. Every label is editable; no media props required.
showcase17
Browser-chrome card pairing a syntax-highlighted code editor with a live test-results panel — pass/fail rows, expandable failures, and a coverage footer. Every label is editable; no media props required.
showcase18
Browser-chrome card pairing a syntax-highlighted code editor with a live log stream — filter pills, color-coded levels, and a tail-mode footer. Every label is editable; no media props required.
showcase29
Browser-chrome card rendering an AI prompt and a structured response — markdown blocks (headings, paragraphs, lists, quotes, code), citation list, copy/regenerate/apply footer. Every label is editable; no media props required.
showcase22
Browser-chrome card pairing a typed query result table on the left with a syntax-highlighted code editor on the right — sortable columns, status-toned cells, row count footer. Every label is editable; no media props required.