Regular Expressions 101

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Community Patterns

1

separate Chapter titles from the text flow adding new empy lines before and after

PCRE2 (PHP >=7.3)
separate Chapter titles from the text flow adding new empy lines before and after
Submitted by Emasoft - 33 minutes ago
1

Currency format check, whole or decimal, no symbol, no negative

PCRE2 (PHP >=7.3)
I use this for validation on an input. Currency input that must include comma separation. Decimal places, 2, optional. No minus sign or currency symbols allowed. Valid: 1,000 1,234.56 1,234,555 ...
Submitted by Truper - a day ago
1

Firewalls Juniper

PCRE2 (PHP >=7.3)
09/21/11 10:47 29 Allow Partner-SQL-eComm 46990 tcp Partner-Web-eComm mysql 19999
Submitted by vicevil - 2 days ago
1

Get Plate from text

PCRE2 (PHP >=7.3)
Gettin plate from text (eng-gre)
Submitted by anonymous - 2 days ago
1

ANACOD

PCRE2 (PHP >=7.3)
Anacode:\s(\S+)\sTest Code:
Submitted by GEE - 3 days ago
1

vozuskia (cs/sk)

Java 8
Addes a non-breaking space after any of the letters included in the [vozuskia] class.
Submitted by Manuel Souto Pico - 6 days ago
1

Mp4 Url RegEx

PCRE2 (PHP >=7.3)
Match a http, https and local path url that contains Mp4
Submitted by anonymous - 6 days ago
1

Latin letters (Basic, extended-a, extended-b) with numbers

PCRE2 (PHP >=7.3)
https://symbl.cc/en/unicode-table/#latin-extended-b
Submitted by thenostrom - 7 days ago
1

匹配文件连接的文件名

PCRE2 (PHP >=7.3)
用于获取文件或者图片链接的文件名包含后缀
Submitted by anonymous - 7 days ago
1

url_validation_url_doğrulama

ECMAScript (JavaScript)
^ - This signifies the start of the expression. https?:// - This matches either "http://" or "https://". (www.)? - This makes the "www." subdomain optional. [A-z0-9]+ - This matches one or more alphanumeric characters for the domain name. . - This matches a literal period character. [A-z0-9]+ - This...
Submitted by Emre Yıldırım - 9 days ago
1

email-validation_email_dogrulama

PCRE2 (PHP >=7.3)
^ - This indicates the beginning of the expression. - This part specifies that the first character cannot be a digit, hyphen, or underscore. So the first character must be a letter, period, or other special character. [A-z0-9.-]+ - This part requires the username to contain at least one character...
Submitted by Emre Yıldırım - 9 days ago
1

京都市の洛内に表記される通り名を削除する正規表現 A regular expression to remove street names that appear within the Rakunai area of Kyoto City, Japan

PCRE2 (PHP >=7.3)
日本・京都府京都市の住所に通り名が含まれる場合があります。通り名が含まれるとナビアプリに入力したときに検索結果が0件になる場合があります。この場合に通り名を削除するために、通り名を検出する正規表現を考えました。 例えば、「京都府京都市上京区室町通一条上る小島町123-4」であれば「今出川通室町西入ル」が通り名です。 Addresses in Kyoto City, Kyoto Prefecture, Japan, may sometimes include street names. When a street name is included, entering it into a nav...
Submitted by ゆっくりしてってねー - 10 days ago (Last modified 10 days ago)
1

Validate python version

PCRE2 (PHP >=7.3)
Validate accepted patterns from PEP 440
Submitted by anonymous - 12 days ago
1

Timestamp Regex

ECMAScript (JavaScript)
matches a timestamp that is in the format of Aug 14, 2024, 10:12 AM or month shortcode followed by day, year, time in 12 hours
Submitted by astro - 17 days ago
1

german date era with tolerance: n. Chr. or v. Chr. / n. Ztr of v. Ztr

ECMAScript (JavaScript)
Maches german era notations in date "v. Chr" and "v. Ztr" It is meant to be tolerant : periods and spaces are optional, and it is case insensitive
Submitted by Olivier CHEVET - 17 days ago
1

East pointer, reference and const to west.

Python
just as god intended. "T const" -> "const T"
Submitted by SpaghettDev - 18 days ago (Last modified 17 days ago)
1

Split Docker image into image name, tag and digest with all optional

Golang
Splits a Docker image string into the separate parts: image, tag, digest tag and digest are optional
Submitted by Roemer - 22 days ago
1

E-mail pattern for html input.

ECMAScript (JavaScript)
Simply e-mail pattern for html tag.
Submitted by KsaR99 - 22 days ago
1

Validates an IPv4 Address

PCRE2 (PHP >=7.3)
Given a string, the regex would match if it is a valid IPv4 address.
Submitted by A-Paint-Brush - 23 days ago (Last modified 23 days ago)
1

Match Valid C-like String Literal

PCRE2 (PHP >=7.3)
This regex matches a single one-line C-like string literal. The parsing rules are almost exactly the same as C string literals: A string literal can be surrounded by either single or double quotes, but they must match. In a double quoted string, single quotes can optionally not be preceded by a back...
Submitted by A-Paint-Brush - 23 days ago
123...897

url_validation_url_doğrulama

1

Regular Expression
ECMAScript (JavaScript)

"
^https?://(www.)?[A-z0-9]+\.[A-z0-9]+$
"
gm
Open regex in editor

Description

^ - This signifies the start of the expression. https?:// - This matches either "http://" or "https://". (www.)? - This makes the "www." subdomain optional. [A-z0-9]+ - This matches one or more alphanumeric characters for the domain name. . - This matches a literal period character. [A-z0-9]+ - This matches one or more alphanumeric characters for the top-level domain. $ - This signifies the end of the expression.

Türkçe olarak:

^ - Bu, ifadenin başlangıcını belirtir. https?:// - Bu, "http://" veya "https://" şeklindeki bağlantıları eşleştirir. (www.)? - Bu, "www." alt etki alanının isteğe bağlı olduğunu gösterir. [A-z0-9]+ - Bu, etki alanı adı için alfasayısal karakterleri eşleştirir. . - Bu, literal nokta karakterini temsil eder. [A-z0-9]+ - Bu, en üst düzey etki alanı için alfasayısal karakterleri eşleştirir. $ - Bu, ifadenin sonunu belirtir.

Submitted by Emre Yıldırım - 9 days ago