Regular Expressions 101

Explanation

Pro

^start of line

Non-Capturing Group(?:(?P<name>[\p{L}\.\ ]+)\n)?

?repeats the group contents below at most once:

Group name(?P<name>[\p{L}\.\ ]+)

Character Class[\p{L}\.\ ]+

+matches at least one character from the set below:

\p{L}any Unicode letter

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\ the literal (32₁₀ / 40₈ / 20₁₆)

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

Non-Capturing Group(?:(?P<co>[\p{L}\.\ \/]+)\n)?

?repeats the group contents below at most once:

Group co(?P<co>[\p{L}\.\ \/]+)

Character Class[\p{L}\.\ \/]+

+matches at least one character from the set below:

\p{L}any Unicode letter

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\ the literal (32₁₀ / 40₈ / 20₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

Group street(?P<street>[\p{L}\ \p{N}’\.]+)

Character Class[\p{L}\ \p{N}’\.]+

+matches at least one character from the set below:

\p{L}any Unicode letter

\ the literal (32₁₀ / 40₈ / 20₁₆)

\p{N}a decimal digit, letterlike number, or other numeric character

’the literal ’ (8217₁₀ / 20031₈ / 2019₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

Non-Capturing Group(?:(?<city>[\p{L}\ ]+)\n)?

?repeats the group contents below at most once:

Group city(?<city>[\p{L}\ ]+)

Character Class[\p{L}\ ]+

+matches at least one character from the set below:

\p{L}any Unicode letter

\ the literal (32₁₀ / 40₈ / 20₁₆)

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

Group postal_code(?P<postal_code>[\p{N}\ ]+)

Character Class[\p{N}\ ]+

+matches at least one character from the set below:

\p{N}a decimal digit, letterlike number, or other numeric character

\ the literal (32₁₀ / 40₈ / 20₁₆)

\ the literal (32₁₀ / 40₈ / 20₁₆)

Group postal_city(?P<postal_city>[\p{L}\ ]+)

Character Class[\p{L}\ ]+

+matches at least one character from the set below:

\p{L}any Unicode letter

\ the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:\((?<province>[\p{L}\ ]+)\))?

?repeats the group contents below at most once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group province(?<province>[\p{L}\ ]+)

Character Class[\p{L}\ ]+

+matches at least one character from the set below:

\p{L}any Unicode letter

\ the literal (32₁₀ / 40₈ / 20₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

Group country(?P<country>[\p{L}\ ]+)?

?repeats the group contents below at most once:

Character Class[\p{L}\ ]+

+matches at least one character from the set below:

\p{L}any Unicode letter

\ the literal (32₁₀ / 40₈ / 20₁₆)

$end of line

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

^(?:(?P<name>[\p{L}\.\ ]+)\n)?
(?:(?P<co>[\p{L}\.\ \/]+)\n)?
(?P<street>[\p{L}\ \p{N}’\.]+)\n
(?:(?<city>[\p{L}\ ]+)\n)?
(?P<postal_code>[\p{N}\ ]+)\ (?P<postal_city>[\p{L}\ ]+)(?:\((?<province>[\p{L}\ ]+)\))?\n
(?P<country>[\p{L}\ ]+)?
$

New

Herr Franz Huber
Beethovenstrasse 12
1010 WIEN
AUSTRIA


Mr Willy Janssens
Lange Stationsstraat 352
3000 LEUVEN
BELGIUM


M. Emile Dubois
Rue du Diamant 215
4800 VERVIERS
BELGIUM


Mr Thor Nielsen
Tietgensgade 137
8800 VIBORG
DENMARK


Mr Torben Raldorf
PO Box 100
COPENHAGEN
1004 VIBORG
DENMARK


Peter Mogensen
c/o Fictional Company
Niels Bohrs Alle 23
Dalum
5230 Odense M
Danmark


Mr Asko Teirila
PO Box 511
39140 AKDENMAA
FINLAND


M. Robert MARIN
Rue de l’Eglise
Dunes
82340 AUVILLAR
FRANCE


Mme Marie PAGE
23 Rue de Grenell
75700 PARIS CEDEX
FRANCE


Mrs F Meier
Weberstr. 2
53113 BONNN
GERMANY


Mr P Kunde
Lange Str. 12
04103 LEIPZIG
GERMANY


Mr George Latsis
Alkamenou 37
117 80 ATHENS
GREECE


Mr Jon Jonsson
Einimel 80
107 REYKJAVIK
ICELAND


Sig. Giovanni Masci
via Garibaldi 27
47037 RIMINI RN
ITALY


M. Jaques Muller
71 route de Longway
4750 PETANGE
LUXEMBOURG


Mr J van Dieten
Morsstr 111
2312 BK LEIDEN
THE NETHERLANDS
(There should be a double space between the postcode and the

Extraction

Herr Franz Huber
Beethovenstrasse 12
1010 WIEN
AUSTRIA


Mr Willy Janssens
Lange Stationsstraat 352
3000 LEUVEN
BELGIUM


M. Emile Dubois
Rue du Diamant 215
4800 VERVIERS
BELGIUM


Mr Thor Nielsen
Tietgensgade 137
8800 VIBORG
DENMARK


Mr Torben Raldorf
PO Box 100
COPENHAGEN
1004 VIBORG
DENMARK


Peter Mogensen
c/o Fictional Company
Niels Bohrs Alle 23
Dalum
5230 Odense M
Danmark


Mr Asko Teirila
PO Box 511
39140 AKDENMAA
FINLAND


M. Robert MARIN
Rue de l’Eglise
Dunes
82340 AUVILLAR
FRANCE


Mme Marie PAGE
23 Rue de Grenell
75700 PARIS CEDEX
FRANCE


Mrs F Meier
Weberstr. 2
53113 BONNN
GERMANY


Mr P Kunde
Lange Str. 12
04103 LEIPZIG
GERMANY


Mr George Latsis
Alkamenou 37
117 80 ATHENS
GREECE


Mr Jon Jonsson
Einimel 80
107 REYKJAVIK
ICELAND


Sig. Giovanni Masci
via Garibaldi 27
47037 RIMINI RN
ITALY


M. Jaques Muller
71 route de Longway
4750 PETANGE
LUXEMBOURG


Mr J van Dieten
Morsstr 111
2312 BK LEIDEN
THE NETHERLANDS
(There should be a double space between the postcode and the