How it works, what you get, limits
できること
List matches and capture groups for download.
使い方
Enter a pattern, then read the table.
得られるもの
A list of hits. Download as text.
パラメータと比較
Parentheses make groups. Cap 500 rows.
The tester shows offsets; this page exports a list.
制限
Not a crawler. Does not fetch pages.
FAQ
How many hits?
Up to 500. Long text is truncated.
Does it crawl pages?
No. Only the text you paste.