RegEx Flashcards
1
Q
\d
A
Any digit
2
Q
\D
A
Any non-digit character
3
Q
.
A
Any character
4
Q
[abc]
A
only a, b, or c
5
Q
[^abc]
A
excludes a, b, or c
6
Q
[a-z]
A
lowercase characters from a to z
7
Q
\w
A
any alphanumerical character
8
Q
\W
A
any non-alphanumerical character
9
Q
{m}
A
m repetitions
10
Q
{m, n }
A
m to n repetitions
11
Q
?
A
optional character
12
Q
\s
A
any whitespace
13
Q
\S
A
any non whitespace character
14
Q
^…$
A
starts and ends
15
Q
(…)
A
capture group
16
Q
(a(bc))
A
capture sub-group
