Regular Expressions 101

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Library entries

4
pcre2

CloudFlare

Cloud Flare
Submitted by anonymous - a year ago
3
pcre2

Email

email format control
Submitted by ahmetbarut - a year ago
3
pcre2

example

example
Submitted by anonymous - a year ago
2
pcre2

Dutch zipcodes

no description available
Submitted by anonymous - 2 years ago
2
pcre2

web log entry

no description available
Submitted by PepeRG - 2 years ago
2
pcre2

Url

Port https://regex101.com/library/cX0pJ8 to PCRE2 (PHP >= 7.3)
Submitted by semivori - 2 years ago
2
pcre2

object

Json Object
Submitted by anonymous - a year ago
2
pcre2

US phone number

US phone number, try to catch as many as possible
Submitted by anonymous - a year ago
2
pcre2

Check Phone numbers

Other patterns
Submitted by https://joserobinson.com - a year ago

Cron schedule

Vote

16

Regular Expression
pcre

~
^\s*\#?\s*(?:(?:(?'mins'[0-5]?\d)(?:[-,](?&mins))*)|\*)(?:/\d{1,2})?\s+(?:(?:(?'hours'(?:2[0-3]|[01]?\d))(?:[-,](?&hours))*)|\*)(?:/\d{1,2})?\s+(?:(?:(?'dmon'(?:3[01]|[12]?\d))(?:[-,](?&dmon))*)|\*)(?:/\d{1,2})?\s+(?:(?:(?'mon'(?:1[0-2]|[1-9]))(?:[-,](?&mon))*)|\*)(?:/\d{1,2})?\s+(?:(?:(?'dow'(?:[0-6]|\b(?:mon|tue|wed|thu|fri|sat|sun)\b))(?:[-,](?&dow))*)|\*)(?:/\d{1,2})?\s+.+$
~

Description

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Submitted by anonymous - 7 years ago