regex101: PCRE (Legacy) Match Workspace

Pro

Definition Group(?(DEFINE) (?<ips>[^()]+) (?<incoming>Incoming\ Interface \ List) (?<outgoing>Outgoing\ Interface \ List) (?<end>^$|\Z) )

Group ips(?<ips>[^()]+)

Negated Character Class[^()]+

+matches at least one character outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group incoming(?<incoming>Incoming\ Interface \ List)

Incomingthe literal text Incoming (case sensitive)

\ the literal (32₁₀ / 40₈ / 20₁₆)

Interface the literal text Interface (case sensitive)

\ the literal (32₁₀ / 40₈ / 20₁₆)

Listthe literal text List (case sensitive)

Group outgoing(?<outgoing>Outgoing\ Interface \ List)

Outgoingthe literal text Outgoing (case sensitive)

\ the literal (32₁₀ / 40₈ / 20₁₆)

Interface the literal text Interface (case sensitive)

\ the literal (32₁₀ / 40₈ / 20₁₆)

Listthe literal text List (case sensitive)

Group end(?<end>^$|\Z)

1st Alternative^$

^start of line

$end of line

2nd Alternative\Z

\Zend of string, or before its final line terminator

^start of line

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group ip(?P<ip>(?&ips))

(?&ips)calls group ips as a subroutine

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?:(?!(?&incoming))[\s\S]+?)

Negative Lookahead(?!(?&incoming))

(?&incoming)calls group incoming as a subroutine

Character Class[\s\S]+?

+?matches at least one character from the set below:

\sany whitespace character

\Sany non-whitespace character

(?&incoming)calls group incoming as a subroutine

Character Class[\r\n]

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

Group in(?P<in>(?!(?&outgoing))[\s\S]+?)

Negative Lookahead(?!(?&outgoing))

(?&outgoing)calls group outgoing as a subroutine

Character Class[\s\S]+?

+?matches at least one character from the set below:

\sany whitespace character

\Sany non-whitespace character

(?&outgoing)calls group outgoing as a subroutine

Character Class[\r\n]

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

Group out(?P<out>(?!^$)[\s\S]+?)

Negative Lookahead(?!^$)

^start of line

$end of line

Character Class[\s\S]+?

+?matches at least one character from the set below:

\sany whitespace character

\Sany non-whitespace character

(?&end)calls group end as a subroutine

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

25 tokens

Regular Expression

(?(DEFINE)
       (?<ips>[^()]+)
	(?<incoming>Incoming\ Interface \ List)
	(?<outgoing>Outgoing\ Interface \ List)
       (?<end>^$|\Z)
)
^\((?P<ip>(?&ips))\)
(?:(?!(?&incoming))[\s\S]+?)
(?&incoming)[\r\n]
(?P<in>(?!(?&outgoing))[\s\S]+?)
(?&outgoing)[\r\n]
(?P<out>(?!^$)[\s\S]+?)
(?&end)

New

(192.168.1.1,232.0.6.8) RPF nbr: 55.44.23.1 Flags: RPF
  Up: 4w1d
  Incoming Interface List
    TenGigE0/0/0/1 Flags: A, Up: 4w1d
  Outgoing Interface List
    TenGigE0/0/0/10 Flags: A, Up: 4w1d

(192.168.55.3,232.0.10.69) RPF nbr: 66.76.44.130 Flags: RPF
  Up: 4w1d
  Incoming Interface List
    TenGigE0/0/0/0 Flags: A, Up: 4w1d
    TenGigE0/1/0/0 Flags: A, Up: 4w1d
    TenGigE0/2/0/0 Flags: A, Up: 4w1d
  Outgoing Interface List
    TenGigE0/0/0/10 Flags: A, Up: 4w1d
    TenGigE0/3/0/0 Flags: A, Up: 4w1d
    TenGigE0/4/0/0 Flags: A, Up: 4w1d