Regular Expressions 101

Community Patterns

0

why

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
2

get href

ECMAScript (JavaScript)
gets value of href
Submitted by me - 7 years ago
1

bitcoin

PCRE (PHP <7.3)
bitcoin max 2
Submitted by anonymous - 7 years ago
0

Date expression

ECMAScript (JavaScript)
yyyy-mm-dd
Submitted by Alan - 7 years ago
1

minimum 0.5

PCRE (PHP <7.3)
bitcoin/ ether
Submitted by anonymous - 7 years ago
1

rocola

Python
for #regex
Submitted by ElGatoSaez - 7 years ago

DNS hostname well-formedness validation

4

Regular Expression
PCRE (PHP <7.3)

/
^(?:_?(?>[a-z\d][a-z\d-]{0,61}[a-z\d]|[a-z\d])\.)*(?:_?(?>[a-z\d][a-z\d-]{0,61}[a-z\d]|[a-z\d]))\.?$
/
i

Description

Loading markdown...
Submitted by Jeff Walter - 8 years ago