Regular Expressions 101

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Community Patterns

1

Simple date input checker

PCRE2 (PHP >=7.3)
Initial date format: DD.MM.YYYY. Use additional user code to check if new Date(year, month, day) equal to initial input day.month.year Script (typescript): ...
Submitted by anonymous - 2 months ago (Last modified 2 months ago)
1

Varde kommune Danish CPR validation

PCRE2 (PHP >=7.3)
To match all CPR numbers only with validt dates
Submitted by John Pedersen - 2 months ago
1

OGC Date-time parameter regex validator

ECMAScript (JavaScript)
Many spatiotemporal OGC services use the datetime parameter to filter spatiotemporal collections. The recommended way to structure the datetime parameter is interval-closed = date-time "/" date-time interval-open-start = "../" date-time interval-open-end = date-time "/.." interval = interval-closed ...
Submitted by murithigeo - 4 months ago
1

YYMMDD Date with leap year

ECMAScript (JavaScript)
This expression validates any YYMMDD date, and insures that the leap year is accounted for. This is valid till 2099, 2100 is NOT a leap year.
Submitted by M. Fahmy - 5 months ago (Last modified 4 months 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 - 9 months ago
1

Matching Dates in MM-DD-YYYY Format

PCRE2 (PHP >=7.3)
techwiki.biz
Submitted by anonymous - 10 months ago
1

Matching Dates with Day of Week (e.g., Monday, August 14, 2024)

PCRE2 (PHP >=7.3)
mayurscanecorner.com
Submitted by anonymous - 10 months ago
1

Validate Credit Card Expiration Date

PCRE2 (PHP >=7.3)
digitalogymedia.com
Submitted by anonymous - 10 months ago
1

Match Date in ISO 8601 Format

PCRE2 (PHP >=7.3)
ekindesigns.com
Submitted by anonymous - 10 months ago
1

Match Credit Card Expiry Date

PCRE2 (PHP >=7.3)
stockmoneys.com
Submitted by anonymous - 10 months ago
1

Match Dates in Multiple Formats (DD/MM/YYYY or MM-DD-YYYY)

PCRE2 (PHP >=7.3)
toptechietimes.com
Submitted by anonymous - 10 months ago
1

Match Date and Time (ISO 8601)

PCRE2 (PHP >=7.3)
buzzword101.com
Submitted by anonymous - 10 months ago
1

Extract Dates in Long Format

PCRE2 (PHP >=7.3)
simplicitylabs.net
Submitted by anonymous - 10 months ago
1

Match a date in DD-MM-YYYY format

PCRE2 (PHP >=7.3)
memoryjarapp.com
Submitted by anonymous - 10 months ago
1

match time offset from timezone offset string

ECMAScript (JavaScript)
match offset from utc offset string returned by the timeZoneName property of an Intl.DateTimeFormat object. (see MDN documentation here)
Submitted by Lagoffre - a year ago (Last modified a year ago)
1

(Good enough) Birth Date match

PCRE2 (PHP >=7.3)
Follows ISO 8601 standard (YYYY-MM-DD) $1 is year, $2 is month and $3 is day (for substitution)
Submitted by Danry Bir - a year ago
1

Birth date check format yyyy-mm-dd

ECMAScript (JavaScript)
Start from 1900-01-01
Submitted by anonymous - a year ago
1

Best birth date check

ECMAScript (JavaScript)
Format YYYY-MM-JJ
Submitted by anonymous - a year ago
1

Datetime any format

PCRE2 (PHP >=7.3)
Datetime any format
Submitted by RVH - a year ago (Last modified a year ago)
2

RFC822 Date Format

PCRE2 (PHP >=7.3)
Test your RSS pubDate has a correctly formatted date value according to the RFC822 standard It will match timeZoneName (eg GMT, EST) or time zone offset (eg. +0100)
Submitted by anonymous - a year ago (Last modified a year ago)
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