Regular expression

Quality:

Regular expression - sequence of characters that forms a search pattern. Article “Regular expression” in English Wikipedia has 60.3 points for quality (as of July 1, 2026). The article contains 75 references and 26 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 6.7 points.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Achievements in all the time:

English Wikipedia:

en

The 4705^th most popular in English Wikipedia.

en

The 7627^th most editable in English Wikipedia.

Global Wikipedia:

The 4642^nd most popular in all topics.

The 7357^th most popular in AI.

In June 2026 the article “Regular expression” was edited by 1 authors in English Wikipedia and written by 19 authors in all languages.

Since the creation of article “Regular expression”, its content was written by 959 registered users of English Wikipedia (7627^th place) and edited by 2987 registered Wikipedia users in all languages (7357^th place).

The article is cited 586 times in English Wikipedia and cited 3318 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #200 in May 2002
• Global: #306 in November 2002

The highest popularity rank from 2008:

• Local (English): #1482 in March 2015
• Global: #1780 in July 2008

There are 45 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Regular expression		60.2834
2	Slovak (sk) Regulárny výraz		56.1085
3	Romanian (ro) Expresie regulată		53.3861
4	Persian (fa) عبارت باقاعده		53.1422
5	Bulgarian (bg) Регулярен израз		52.8638
6	Hindi (hi) रेग्युलर ऍक्सप्रैशन		52.0825
7	German (de) Regulärer Ausdruck		44.3095
8	French (fr) Expression régulière		39.0069
9	Croatian (hr) Regularni izraz		38.0456
10	Portuguese (pt) Expressão regular		37.138

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) Regular expression		22 103 185
2	Russian (ru) Регулярные выражения		4 894 634
3	German (de) Regulärer Ausdruck		4 646 276
4	Japanese (ja) 正規表現		2 637 697
5	Spanish (es) Expresión regular		2 074 792
6	Chinese (zh) 正则表达式		1 886 166
7	French (fr) Expression régulière		1 747 477
8	Polish (pl) Wyrażenie regularne		822 312
9	Portuguese (pt) Expressão regular		735 073
10	Korean (ko) 정규 표현식		563 159

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) Regular expression		21 590
2	German (de) Regulärer Ausdruck		5 068
3	Russian (ru) Регулярные выражения		3 748
4	French (fr) Expression régulière		2 465
5	Chinese (zh) 正则表达式		2 170
6	Japanese (ja) 正規表現		1 889
7	Spanish (es) Expresión regular		919
8	Polish (pl) Wyrażenie regularne		538
9	Italian (it) Espressione regolare		319
10	Korean (ko) 정규 표현식		317

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) Regular expression		959
2	German (de) Regulärer Ausdruck		283
3	French (fr) Expression régulière		242
4	Russian (ru) Регулярные выражения		189
5	Chinese (zh) 正则表达式		144
6	Spanish (es) Expresión regular		125
7	Italian (it) Espressione regolare		99
8	Polish (pl) Wyrażenie regularne		87
9	Japanese (ja) 正規表現		85
10	Hungarian (hu) Reguláris kifejezés		59

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	German (de) Regulärer Ausdruck		7
2	Spanish (es) Expresión regular		2
3	Arabic (ar) تعبير نمطي		1
4	Azerbaijani (az) Requlyar ifadə		1
5	Bulgarian (bg) Регулярен израз		1
6	English (en) Regular expression		1
7	Persian (fa) عبارت باقاعده		1
8	Italian (it) Espressione regolare		1
9	Russian (ru) Регулярные выражения		1
10	Slovak (sk) Regulárny výraz		1

The following table shows the language versions of the article with the highest number of citations.

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information