Regular expressions are a very useful tool in a programmer’s toolbox. But they can’t do everything. And one of the things they can’t do is to reliably parse CSV (comma separated value) files. This is because a regular expression doesn’t store state. You need a state machine (or something equivalent) to parse a CSV file.
About a decade ago, I asked my little sister to draw a header and a logo to my website https://www.frozenfrog.es
She used watercolor and I think Adobe Illustrator for the logo
It is not a very business-oriented design, but most customers do not visit that site at all. They usually go directly to the specific app page.