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Community Patterns
Search among 5,500 community submitted regex patterns...
0
use-capture-groups-to-search-and-replace
ECMAScript (JavaScript)
(\w+)(\s)(\w+)\2(\w+) in this exercise we have to use capture groups and then replace the string order to 'three two one'. But first, when you are using the capture group you may have asked yourself why the code below does not work: (\w+)(\s)\1\2\1 to match the sting "one two three"...
Submitted by
gabriel silva lima
-
10 months ago
0
Twitch data capturing
ECMAScript (JavaScript)
Matches the data sent by the twitch IRC and captures into various groups
Submitted by
Bucky
-
9 months ago
(Last modified 9 months ago)
0
text has numbers
ECMAScript (JavaScript)
text has numbers
Submitted by
vijay
-
9 months ago
1
...
273
274
275
4 digit numeric w/o leading zero and no repeat digits
-2
Regular Expression
PCRE (PHP <7.3)
/
^
(
[
1
-
9
]
)
(?!
\1
)
(
[
0
-
9
]
)
(?!
\1
|
\2
)
(
[
0
-
9
]
)
(?!
\1
|
\2
|
\3
)
(
[
0
-
9
]
)
$
/
gm
Open regex in editor
Description
A pcre that capture a 4-digit numeric that does not allow a leading zero and no repeat digits.
Submitted by
Jeff Thompson
-
9 years ago