"headers":the literal text "headers": (case sensitive) \s+any whitespace character, repeated at least once
\[the literal [ (9110 / 1338 / 5B16)
{"name":the literal text {"name": (case sensitive) \s+any whitespace character, repeated at least once
"Host",the literal text "Host", (case sensitive) \s+any whitespace character, repeated at least once
"value":the literal text "value": (case sensitive) \s+any whitespace character, repeated at least once
"the literal " (3410 / 428 / 2216)
Group domain(?<domain>[^"]+) Negated Character Class[^"]+ +matches at least one character outside the set below:
"the literal " (3410 / 428 / 2216)
.*any character (except for line terminators), repeated any number of times
Positive Lookahead(?=("(?i)User-?(?i)Agent",\s+"value":\s+")(?<useragent>[^"]+)) Group 2("(?i)User-?(?i)Agent",\s+"value":\s+") "the literal " (3410 / 428 / 2216)
(?i)applies the following effective flags to the remainder of the pattern: gmi i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters
Userthe literal text User (case insensitive) -?optionally matches the literal - (4510 / 558 / 2D16)
(?i)applies the following effective flags to the remainder of the pattern: gmi i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters
Agent",the literal text Agent", (case insensitive) \s+any whitespace character, repeated at least once
"value":the literal text "value": (case insensitive) \s+any whitespace character, repeated at least once
"the literal " (3410 / 428 / 2216)
Group useragent(?<useragent>[^"]+) Negated Character Class[^"]+ +matches at least one character outside the set below:
"the literal " (3410 / 428 / 2216)
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string