Regular Expressions 101

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Search among 18,040 community submitted regex patterns...

238

Matching email addresses per RFC5322

The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.

Submitted by Michael Musson - 11 years ago

483

regex101.com permalink id grabber

PCRE (PHP <7.3)

Grabs the ID for the regex101.com permalink code. If a revision number is provided, grab that as well.

Submitted by chris mccoy - 11 years ago (Last modified 8 months ago)

1...900 901 902

Community Library Entry

Regular Expression
PCRE (PHP <7.3)

(?:-|(?P<real_ip>[\-\da-f.:, ]+)) - (?<remote_user>\S+) \[(?<timestamp>[^\]]+)\]\s+"(?:\-|(?<request>\w+) (?<request_uri>[^ \?]+)(?:\?(?<request_uri_query>[^ ]*))? (?<request_version>[\w\/\.]+))"\s+(?P<status>[1-9]\d{2})\s+(?P<body_bytes_sent>\d+)\s+"(?<http_referer>[^"]+)"\s+"(?<http_user_agent>[^"]+)"\s+"(?P<remote_ip>[\da-f.:]+)" (?:\-|(?P<upstream_response_time>\d+(?:.\d+)?))\s+(?P<request_time>\d+(?:.\d+)?) (?P<pipe>[\.p])

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Description

log_format timed  '$http_x_forwarded_for - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$remote_addr" '
                  '$request_time $upstream_response_time $pipe';

Submitted by Pei-Tang Huang - 2 years ago