| Rexx |
RegExp |
|
Rexx |
RegExp |
| one_of { 'a', 'b', 'c' } |
[abc] |
|
word |
\w |
| one_of { 'foo', 'bar' } |
foo|bar |
|
non_word |
\W |
| one_of { range {'a', 'z'} } |
[a-z] |
|
digit |
\d |
| optional {'a'} / loop(0..1) {'a'} |
a? |
|
non_digit |
\D |
| optional {'abc'} |
(?:abc)? |
|
whitespace |
\s |
| loop(0..) {'a'} |
a* |
|
non_whitespace |
\S |
| one_or_more {'a'} / loop(1..) {'a'} |
a+ |
|
boundary |
\b |
| loop(2) {'a'} |
a{2} |
|
non_boundary |
\B |
| loop(2..3) {'a'} |
a{2,3} |
|
chinese |
[\u4e00-\u9fa5] |
| except {'a'} |
[^a] |
|
'\\d' |
\d |
| except { range {'a', 'z'} } |
[^a-z] |
|
'\\uffff' |
\uffff |
| group{'foo'} |
(foo) |
|
newline |
\n |
| group('year'){'2024'} |
(?<year>2024) |
|
tab |
\t |
| ref {1} |
\1 |
|
any |
. |
| ref {year} |
\k<year> |
|
begin |
^ |
| followed_by {'a'} |
(?=a) |
|
end |
$ |
| not_followed_by {'a'} |
(?!a) |
|
global |
g |
| preceded_by {'a'} |
(?<=) |
|
ignore_case |
i |
| not_preceded_by {'a'} |
(?<!) |
|
multiline |
m |
| loop (1..) {'a'} lazy |
a+? |
|
|
|