可以匹配正则表达式

(?<=")[^"]*(?=")|(?<![^,])[^,"]*(?![^,])

Demo
这场比赛的结果如下。

["Bldg ", "32.9", "-117.11", "Yes", "California",
 "Yes", "San Diego", "", "San Diego, CA", "123"]

正则表达式具有以下元素。

(?<=")      positive lookbehind asserts that previous character is a double-quote
[^"]*       match zero or more characters other than double quotes
(?=")       positive lookahead asserts that next character is a double-quote
|           or
(?<![^,])   negative lookbehind asserts that previous character is not a
            character other than a double-quote
[^,"]*      match zero or more characters other than commas and double-quotes
(?![^,])    negative lookahead asserts that next character is not a
            character other than a double-quote

请注意，双否定，“负向后查找Assert前一个字符不是双引号以外的字符”等同于Assert前一个字符是双引号或当前字符位于字符串的开头。类似地，“负先行Assert下一个字符不是双引号以外的字符”等效于Assert下一个字符是双引号字符串的结尾是字符串的结尾。