Regular expression to find unescaped double quotes in CSV file

Question

What would a regular expression be to find sets of 2 unescaped double quotes that are contained in columns set off by double quotes in a CSV file?

Not a matc

Answer 1

Try this regular expression:

"(?:[^",\\]*|\\.)*(?:""(?:[^",\\]*|\\.)*)+"

That will match any quoted string with at least one pair of unescaped double quotes.