Regular Expressions 101

Community Patterns

-3

IPv4 address

Python
Matches any IPv4 address
Submitted by anonymous - 8 years ago
-3

s

ECMAScript (JavaScript)
s
Submitted by anonymous - 10 years ago
-3

1111

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-3

111

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-3

111

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-3

Html Tags

ECMAScript (JavaScript)
Matches HTML structure
Submitted by sagar - 8 years ago

Using negative lookahead

0

Regular Expression
PCRE2 (PHP >=7.3)

/
Chr\.(I(?!I)|III(?!I))
/
gm

Description

Loading markdown...
Submitted by dikip - 9 months ago