On: Show HN: Comma Separated Values (CSV) to Unicode Separated Values (USV)

[estebank]

That wouldn't allow for empty fields.

[euroderf → estebank]

Four commas in a row.

[greenshackle2 → euroderf]

Can you parse this 2-row CSV:

SomeCommas,MoreCommas,OnlyOneComma,ALotOfCommas

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

[euroderf → greenshackle2]

Pathological cases are never difficult to find for any app.

[greenshackle2 → euroderf]

Wrong. Consider the standard backslash escape: represent literal comma as "\,", and literal backslash as "\\". Backslashes are otherwise forbidden.

It will be difficult to find pathological cases for this grammar, because they don't exist.

[euroderf → greenshackle2]

Well okay, but there's an outer circle of Hell where people write code to manipulate Windows filepaths.