What syntax should I use to provide regex?

The correct form of regular expression is delimiter{pattern}delimiter, f.e. /^([a-z]*)$/i or @^(?:http://)?([^/]+)@i. Every form compatible with functions checking correctness of regular expressions in PHP are allowed (example).

Why should I type pattern with delimiters?

The reason is obvious. With delimiters you have a chance to add modifiers to the regexp. Otherwise script will automatically add / at the beginning and / at the end of the pattern.

Can I add any content to the tester?

Generally, the user determines what content and at what way he wants to test, but it must have full rights to publish the test content because it will be available for other Internet users. You should also avoid writing obscene phrases, vulgar phrases, or suggest resources incompatible with Polish law. You are fully responsible for the content posted by you on the site. On the reasoned request of a third party individual entries can be removed from the site.

What are regular expressions?

A regular expression is a pattern that describes a set of strings.

  1. wikipedia.org - definition
  2. regular-expressions.info - knowledge compendium
  3. php.net - using in PHP

Where can I find examples of regular expressions?

There are a lot of examples on the internet. You should especially check this:

  1. 15 useful regular expressions in PHP [polish]
  2. regexlib.com - patterns library

I think I have found a bug in Regexp. Where can I report it?

Please submit every found bug by typing comment here (polish and english).

I am a forum user. Can I show pattern test to other users?

Yes. On ID column of every tested expression you can find hiperlink. Copy it and share, that's all.

How can I help develop website?

You can help on following cases:

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regexp.pl

regular expressions tester

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Tester wyrażeń regularnych pozwoli Ci w prosty sposób sprawdzić poprawność wykorzystywnego wzorca i frazy. Wystarczy, że wypełnisz poniższy formularz, a skrypt zwróci wszelkie niezbędne do walidacji dane.

Dodając wzorzec i ciąg znaków do sprawdzenia potwierdzasz, że masz pełne prawa do upubliczniania zawartych w nich treści.

ID Wyrażenie regularne Ciąg znaków Wynik Zwracane ciągi znaków Link
119272 /^[\d]{3}-{1}[\d]{3}-{1}[\d]{2}-{1}[\d]{2}$/ 681-143-06-64 prawda
  1. 681-143-06-64
Link
119271 /^[\d]{3}-{1}[\d]{3}-{1}[\d]{2}-{1}[\d]{2}$/ 683-134-16-46 prawda
  1. 683-134-16-46
Link
119270 /^[\d]{3}[\d]{3}[\d]{2}[\d]{2}$/ 6831341646 prawda
  1. 6831341646
Link
119269 ^.*\\.xml(\\.gz)?)\\.(.*\\..*)(\\.FAP-.*$) failedoperations_test/FGW-1/CDNL_FGW_1_4.xml.gz.20130421T124941.740930.FAP-1_4_D_DL fałsz Link
119268 /^s(\d+)\-price_net$/ s12-price_net prawda
  1. s12-price_net
    • 12
 Link
119267 /^s(\d+)\-price_net$/ s1-price_net prawda
  1. s1-price_net
    • 1
 Link
119266 /^(?=[a-z0-9_#@%\*-]*?[A-Z])(?=[a-z0-9_#@%\*-]*?[a-z])(?=[a-z0-9_#@%\*-]*?[0-9])([a-z0-9_#@%\*-]{8,24})$/Diu 1xY#n6%2V prawda
  1. 1xY#n6%2V
    • 1xY#n6%2V
 Link
119265 /^(?=[a-z0-9_#@%\*-]*?[A-Z])(?=[a-z0-9_#@%\*-]*?[a-z])(?=[a-z0-9_#@%\*-]*?[0-9])([a-z0-9_#@%\*-]{8,24})$/ 1xY#n6%2V fałsz Link
119264 /^(?=[a-z0-9_#@%\*-]*?[A-Z])(?=[a-z0-9_#@%\*-]*?[a-z])(?=[a-z0-9_#@%\*-]*?[0-9])([a-z0-9_#@%\*-]{8,24})$/ Bender19889 fałsz Link
119263 /^(?=[a-z0-9_#@%\*-]*?[A-Z])(?=[a-z0-9_#@%\*-]*?[a-z])(?=[a-z0-9_#@%\*-]*?[0-9])([a-z0-9_#@%\*-]{8,24})$/ bender19889 fałsz Link
119262 /.*(\\\\).*/ fałsz Link
119261 /.*(\\\\).*/ m fałsz Link
119260 /.*(\\\\).*/ ghkkhjk fałsz Link
119259 /.*(\\\\).*/ k fałsz Link
119258 /.*(\\).*/ k prawda
Link
119257 /.*(\\).*/ prawda
Link
119256 #^http://uploaded\.to/file/# http://uploaded.to/file/yndk7gv6/DVD.X.Studios.CloneDVD.5.6.0.0.Multilingual.rar prawda
  1. http://uploaded.to/file/
Link
119255 ^([a-zA-z])$ szybkapilkas fałsz Link
119254 ^([a-zA-z])$ szybkapilka fałsz Link
119253 /href\=\"http\:\/\/regiomoto\.pl\/oferta[0-9a-zA-Z\:\/\.\-\_\" ]{1,2000}-[0-9A-Z\"]{1,200}/ href="http://regiomoto.pl/oferta/volkswagen-passat-olej_napedowy_diesel-komprachcice-2004-19999-RMU51201101981151" prawda
  1. href="http://regiomoto.pl/oferta/volkswagen-passat-olej_napedowy_diesel-komprachcice-2004-19999-RMU51201101981151"
Link
119252 /\"http\:\/\/regiomoto\.pl\/oferta[0-9a-zA-Z\:\/\.\-\_\" ]{1,2000}-[0-9A-Z\"]{1,200}/ http://regiomoto.pl/oferta/volkswagen-passat-olej_napedowy_diesel-komprachcice-2004-19999-RMU51201101981151 fałsz Link
119251 /href\=\"http\:\/\/regiomoto\.pl\/oferta[0-9a-zA-Z\:\/\.\-\_\" ]{1,2000}-[0-9A-Z\"]{1,200}/ http://regiomoto.pl/oferta/volkswagen-passat-olej_napedowy_diesel-komprachcice-2004-19999-RMU51201101981151 fałsz Link
119250 /href="http://regiomoto.pl/oferta[0-9a-zA-Z:/.-_" ]{1,2000}-[0-9A-Z"]{1,200}/ http://regiomoto.pl/oferta/volkswagen-passat-olej_napedowy_diesel-komprachcice-2004-19999-RMU51201101981151 fałsz Link
119249 /href="http://regiomoto.pl/oferta[0-9a-zA-Z:/.-_" ]{1,2000}-[0-9A-Z"]{1,200}/ http://regiomoto.pl/oferta/volkswagen-passat-olej_napedowy_diesel-komprachcice-2004-19999-RMU51201101981151 fałsz Link
119248 /href="http://regiomoto.pl/oferta[0-9a-zA-Z:/.-_" ]{1,2000}-[0-9A-Z\"]{1,200}/ http://regiomoto.pl/oferta/volkswagen-passat-olej_napedowy_diesel-komprachcice-2004-19999-RMU51201101981151 fałsz Link

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