Regular Expressions 101

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/
(([A-z.]{3,9}|[0-9]{1,2}) [0-9]{1,2}[, ]{1,2}[0-9]{1,4})|(([A-z.]{3,9}|[0-9]{1,2})[ ,][0-9]{1,4})|([0-9]{1,4})
/
g
1st Alternative
(([A-z.]{3,9}|[0-9]{1,2}) [0-9]{1,2}[, ]{1,2}[0-9]{1,4})
1st Capturing Group
(([A-z.]{3,9}|[0-9]{1,2}) [0-9]{1,2}[, ]{1,2}[0-9]{1,4})
2nd Capturing Group
([A-z.]{3,9}|[0-9]{1,2})
1st Alternative
[A-z.]{3,9}
Match a single character present in the list below
[A-z.]
{3,9} matches the previous token between 3 and 9 times, as many times as possible, giving back as needed (greedy)
A-z matches a single character in the range between A (index 65) and z (index 122) (case sensitive)
. matches the character . with index 4610 (2E16 or 568) literally (case sensitive)
2nd Alternative
[0-9]{1,2}
Match a single character present in the list below
[0-9]
{1,2} matches the previous token between 1 and 2 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)
Match a single character present in the list below
[0-9]
{1,2} matches the previous token between 1 and 2 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)
Match a single character present in the list below
[, ]
{1,2} matches the previous token between 1 and 2 times, as many times as possible, giving back as needed (greedy)
,
matches a single character in the list , (case sensitive)
Match a single character present in the list below
[0-9]
{1,4} matches the previous token between 1 and 4 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)
2nd Alternative
(([A-z.]{3,9}|[0-9]{1,2})[ ,][0-9]{1,4})
3rd Capturing Group
(([A-z.]{3,9}|[0-9]{1,2})[ ,][0-9]{1,4})
4th Capturing Group
([A-z.]{3,9}|[0-9]{1,2})
1st Alternative
[A-z.]{3,9}
Match a single character present in the list below
[A-z.]
{3,9} matches the previous token between 3 and 9 times, as many times as possible, giving back as needed (greedy)
A-z matches a single character in the range between A (index 65) and z (index 122) (case sensitive)
. matches the character . with index 4610 (2E16 or 568) literally (case sensitive)
2nd Alternative
[0-9]{1,2}
Match a single character present in the list below
[0-9]
{1,2} matches the previous token between 1 and 2 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)
Match a single character present in the list below
[ ,]
,
matches a single character in the list , (case sensitive)
Match a single character present in the list below
[0-9]
{1,4} matches the previous token between 1 and 4 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)
3rd Alternative
([0-9]{1,4})
5th Capturing Group
([0-9]{1,4})
Match a single character present in the list below
[0-9]
{1,4} matches the previous token between 1 and 4 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)
Global pattern flags
g modifier: global. All matches (don't return after first match)
Your regular expression does not match the subject string.

Regular Expression
No Match

/
/
g

Test String