Task
A feed contains Amazon URLs, while product matching needs a separate asin column with the 10-character product code.
Short answer
Create asin from the URL and keep only the 10-character ASIN with a regular expression.
How to do it in Eofferix
- Upload the table with Amazon URLs and open the table editor.

The output asincolumn is built from the source Amazon URL. - Create
asinfromamazon_urland add aRegular expression->Remove everything exceptrule.
The rule keeps the 10-character alphanumeric ASIN segment. - Use
[A-Z0-9]{10}for/dp/,/gp/product/, and/d/URL forms. - Save the template and test several URL variants.
Before / after
The data below is a training example and does not belong to real user files.
Before
source data| sku | amazon_url |
|---|---|
| SKU-1001 | https://www.amazon.com/dp/B08N5WRWNW/ref=something |
| SKU-1002 | https://www.amazon.com/gp/product/B07PGL2ZSL |
After
result| sku | asin |
|---|---|
| SKU-1001 | B08N5WRWNW |
| SKU-1002 | B07PGL2ZSL |