Regular Expressions 101

Community Patterns

5

ipv6

PCRE (PHP <7.3)
Match an ipv6 address
Submitted by Frusty - 7 years ago
9

only numbers

PCRE (PHP <7.3)
A string with only numbers in
Submitted by Gotts - 8 years ago

PemFormatRegex2023

0

Regular Expression
PCRE2 (PHP >=7.3)

/
(-----BEGIN PUBLIC KEY-----)(?:\r|\n|\r\n)((?:(?:(?:[A-Za-z0-9+\/]{4}){16}(?:\r|\n|\r\n))+)(?:(?:[A-Za-z0-9+\/]{4}){0,15})(?:(?:[A-Za-z0-9+\/]{4}|[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)))(?:\r|\n|\r\n)(-----END PUBLIC KEY-----)|(-----BEGIN PRIVATE KEY-----)(?:\r|\n|\r\n)((?:(?:(?:[A-Za-z0-9+\/]{4}){16}(?:\r|\n|\r\n))+)(?:(?:[A-Za-z0-9+\/]{4}){0,15})(?:(?:[A-Za-z0-9+\/]{4}|[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)))(?:\r|\n|\r\n)(-----END PRIVATE KEY-----)
/
mg

Description

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Submitted by Satancito - 5 months ago