Regular Expressions 101

Group 1(((max-age=\d+)|(pin-sha256=\"[\d\w]+=?=?\"));\s{0,1})+

+repeats the group contents below at least once:

Group 2((max-age=\d+)|(pin-sha256=\"[\d\w]+=?=?\"))

1st Alternative(max-age=\d+)

Group 3(max-age=\d+)

max-age=the literal text max-age= (case insensitive)

\d+a digit, repeated at least once

2nd Alternative(pin-sha256=\"[\d\w]+=?=?\")

Group 4(pin-sha256=\"[\d\w]+=?=?\")

pin-sha256=the literal text pin-sha256= (case insensitive)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Character Class[\d\w]+

+matches at least one character from the set below:

\da digit

\wany word character

=?optionally matches the literal = (61₁₀ / 75₈ / 3D₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\s{0,1}optionally matches any whitespace character

includeSubDomainsthe literal text includeSubDomains (case insensitive)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(((max-age=\d+)|(pin-sha256=\"[\d\w]+=?=?\"));\s{0,1})+includeSubDomains

pin-sha256="WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18="; pin-sha256="JbQbUG5JMJUoI6brnx0x3vZF6jilxsapbXGVfjhN8Fg="; max-age=300; includeSubDomains