Regular Expressions 101

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"
([^.]*)\">$
"
gm
1st Capturing Group
([^.]*)
Match a single character not present in the list below
[^.]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
. matches the character . with index 4610 (2E16 or 568) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
> matches the character > with index 6210 (3E16 or 768) literally (case sensitive)
$ asserts position at the end of a line
Global pattern flags
g modifier: global. All matches (don't return after first match)
m modifier: multi line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)
Your regular expression does not match the subject string.

Regular Expression
No Match

r"
"
gm

Test String