Regular Expressions 101

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"
^([^ ]*) - ([^ ]*) \[(.*)\] \"([^ ]*) ([^ ]*) ([^ ]*)\" (-|[0-9]*) (-|[0-9]*) \"(.+?|-)\" ([^ ]*|-) ([^ ]*|-) ([^ ]*|-) \"(.+?|-)\" \"(.+?|-)\" \"(.+?|-)\"$
"
^ asserts position at start of the string
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 3210 (2016 or 408) literally (case sensitive)
-
matches the characters - literally (case sensitive)
2nd 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 3210 (2016 or 408) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
\[ matches the character [ with index 9110 (5B16 or 1338) literally (case sensitive)
3rd Capturing Group
(.*)
.
matches any character (except for line terminators)
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\] matches the character ] with index 9310 (5D16 or 1358) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
4th 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 3210 (2016 or 408) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
5th 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 3210 (2016 or 408) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
6th 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 3210 (2016 or 408) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
7th Capturing Group
(-|[0-9]*)
1st Alternative
-
- matches the character - with index 4510 (2D16 or 558) literally (case sensitive)
2nd Alternative
[0-9]*
Match a single character present in the list below
[0-9]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
0-9 matches a single character in the range between 0 (index 48) and 9 (index 57) (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
8th Capturing Group
(-|[0-9]*)
1st Alternative
-
- matches the character - with index 4510 (2D16 or 558) literally (case sensitive)
2nd Alternative
[0-9]*
Match a single character present in the list below
[0-9]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
0-9 matches a single character in the range between 0 (index 48) and 9 (index 57) (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
9th Capturing Group
(.+?|-)
1st Alternative
.+?
.
matches any character (except for line terminators)
+? matches the previous token between one and unlimited times, as few times as possible, expanding as needed (lazy)
2nd Alternative
-
- matches the character - with index 4510 (2D16 or 558) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
10th Capturing Group
([^ ]*|-)
1st Alternative
[^ ]*
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 3210 (2016 or 408) literally (case sensitive)
2nd Alternative
-
matches the character with index 3210 (2016 or 408) literally (case sensitive)
11th Capturing Group
([^ ]*|-)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
12th Capturing Group
([^ ]*|-)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
13th Capturing Group
(.+?|-)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
14th Capturing Group
(.+?|-)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
15th Capturing Group
(.+?|-)
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
$ asserts position at the end of the string, or before the line terminator right at the end of the string (if any)
Your regular expression does not match the subject string.

Regular Expression
No Match

r"
"

Test String