Regular Expressions 101

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Community Patterns

1

Start with a letter and contains words, number spaces

PCRE2 (PHP >=7.3)
Use this to validate name with french characters. Start with a letter and contains words, number spaces
Submitted by anonymous - 9 months ago
1

PGP-encrypted message

ECMAScript (JavaScript)
A Javascript regex for a PGP-encrypted message, including optional armor, valid headers, and checksum.
Submitted by Adroit - 9 months ago
1

PGP-encrypted message (v2)

ECMAScript (JavaScript)
A javascript regex for a pgp-encrypted message, including optional armor, headers, and checksum. Feel free to make improvements if you think I'm missing something from the spec: https://www.rfc-editor.org/rfc/rfc4880#section-6.2
Submitted by anonymous - 9 months ago
1

exclude .jpg .png .js .css path

PCRE2 (PHP >=7.3)
exclude .jpg .png .js .css path
Submitted by zm - 9 months ago
1

Email Format Check

ECMAScript (JavaScript)
This regex can check if the email format is valid. Feels free to use it
Submitted by AkashiDom - 9 months ago
1

CRAC Question Bank

ECMAScript (JavaScript)
中国无线电协会业余无线电分会业余无线电操作证书 txt 题库格式化
Submitted by HoshinoSuzumi<master@uniiem.com> - 9 months ago (Last modified 9 months ago)
1

Simple email validation

PCRE2 (PHP >=7.3)
Simple email validation based loosely on https://en.wikipedia.org/wiki/Email_address
Submitted by JoostAB - 9 months ago
1

Basic UNC path validation

PCRE2 (PHP >=7.3)
Simple UNC path validation. Both *nix and windows style.
Submitted by JoostAB - 9 months ago
1

Log - Example1

PCRE2 (PHP >=7.3)
Log - Example1
Submitted by anonymous - 9 months ago
1

DD/MM/YYYY Date with leap years

Python
1000-9999 years '-', ' ', ':', '.', or '/' may be user as divider
Submitted by furren - 9 months ago
1

Date formatting

PCRE2 (PHP >=7.3)
Format Date from different input
Submitted by fpreppo - 9 months ago
1

CSI Breakdown V5

ECMAScript (JavaScript)
Breaks out CSI numbers for proper reformat
Submitted by anonymous - 9 months ago
1

CRON time expression validation

PCRE2 (PHP >=7.3)
Credit to Juarez and Slava who collectively derived the expression below here: https://stackoverflow.com/questions/14203122/create-a-regular-expression-for-cron-statement/63729682#63729682 For more in depth explanation see: https://gist.github.com/Aterfax/401875eb3d45c9c114bbef69364dd045
Submitted by Aterfax - 9 months ago (Last modified 9 months ago)
1

Definitely going to hell for this one.

PCRE2 (PHP >=7.3)
Yup...
Submitted by BitesizedLion - 9 months ago
1

Post-1987 Irish Vehicle Registration Plates

PCRE2 (PHP >=7.3)
Validates Irish Vehicle Registration Plates to S.I. No. 318/1992 - Vehicle Registration and Taxation Regulations, 1992 (as amended). Also validates modern 3 digit year identifier (introduced in 2013).
Submitted by James Pelow - 9 months ago
1

fisrst regex

PCRE2 (PHP >=7.3)
test
Submitted by anonymous - 9 months ago
1

PrivtBank Receipt Parser vx520

.NET 7.0 (C#)
PrivtBank Receipt Parser vx520
Submitted by anonymous - 9 months ago (Last modified 9 months ago)
1

PrivtBank Receipt Parser

.NET 7.0 (C#)
PrivtBank Receipt Parser
Submitted by anonymous - 9 months ago (Last modified 9 months ago)
1

ISO 8601 Duration Regex

PCRE2 (PHP >=7.3)
Duration regular expression as per https://en.wikipedia.org/wiki/ISO_8601 PnYnMnDTnHnMnS or PnW Examples: P1Y1M1DT1H1M1S P1M - 1 month...
Submitted by Sharath Malladi - 9 months ago (Last modified 9 months ago)
1

Get decimal point amount from amount string with currency symbol

PCRE2 (PHP >=7.3)
Get decimal point amount from amount string with currency symbol
Submitted by anonymous - 9 months ago
1...347348349350351...902

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^(?!.*\.{2})[\w](?:[^\s@()<>,;:\\"\[\]]+[\w])?@[\w](?:[^_.@]*[^.-])?(?:\.[^.]+)*\.[a-z]{2,6}$
/
i
Open regex in editor

Description

This regex can check if the email format is valid.

Feels free to use it

Submitted by AkashiDom - 9 months ago