Regular Expressions 101

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/
(\d)\n([\d.]+)\n([\d, ]+)\n([\d, ]+)\n([\d, ]+)\n([\d, ]+)\n([\d,]+)\n([-\d, ]+)$
/
gm
1st Capturing Group
(\d)
\d matches a digit (equivalent to [0-9])
\n matches a line-feed (newline) character (ASCII 10)
2nd Capturing Group
([\d.]+)
Match a single character present in the list below
[\d.]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
\d matches a digit (equivalent to [0-9])
. matches the character . with index 4610 (2E16 or 568) literally (case sensitive)
\n matches a line-feed (newline) character (ASCII 10)
3rd Capturing Group
([\d, ]+)
Match a single character present in the list below
[\d, ]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
\d matches a digit (equivalent to [0-9])
,
matches a single character in the list , (case sensitive)
\n matches a line-feed (newline) character (ASCII 10)
4th Capturing Group
([\d, ]+)
Match a single character present in the list below
[\d, ]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
\d matches a digit (equivalent to [0-9])
,
matches a single character in the list , (case sensitive)
\n matches a line-feed (newline) character (ASCII 10)
5th Capturing Group
([\d, ]+)
Match a single character present in the list below
[\d, ]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
\d matches a digit (equivalent to [0-9])
,
matches a single character in the list , (case sensitive)
\n matches a line-feed (newline) character (ASCII 10)
6th Capturing Group
([\d, ]+)
Match a single character present in the list below
[\d, ]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
\d matches a digit (equivalent to [0-9])
,
matches a single character in the list , (case sensitive)
\n matches a line-feed (newline) character (ASCII 10)
7th Capturing Group
([\d,]+)
Match a single character present in the list below
[\d,]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
\d matches a digit (equivalent to [0-9])
, matches the character , with index 4410 (2C16 or 548) literally (case sensitive)
\n matches a line-feed (newline) character (ASCII 10)
8th Capturing Group
([-\d, ]+)
Match a single character present in the list below
[-\d, ]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
- matches the character - with index 4510 (2D16 or 558) literally (case sensitive)
\d matches a digit (equivalent to [0-9])
,
matches a single character in the list , (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.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
gm

Test String