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Community Patterns

-3

IPv4 address

Created·2016-04-06 17:12
Flavor·Python
Matches any IPv4 address
Submitted by anonymous
-3

TD data from html table

Created·2015-12-24 10:15
Flavor·Python
no description available
Submitted by Deepak Bansal
-3

Matches percentage with any number of digits

Created·2015-06-10 19:26
Flavor·Python
Only captures value for converting percentage to decimal. Returns empty if percentage but no value. no match = no percentage found
Submitted by sharkey
-3

Match substitutions

Created·2014-07-26 13:32
Flavor·Python
Match regular expressions substitutions, I personally use this to perform my validate if it is a substitution, then call re.sub() on it.
Submitted by Zarthus
-2

phone number

Created·2016-07-19 04:29
Flavor·Python
An extremely complete regex, that... Accepts international phones and most of regional phone numbers; Accepts phone numbers with/without "+", with/without space or "-" in the middle of the phone, and more. Gets groups of all important data of the phone number (local code, country code and the phone number itself)
Submitted by @thegamerbr1
-2

Email Validation

Created·2015-12-01 22:35
Flavor·Python
Full email validation with optional "." "-" "_"
Submitted by Jakub Stasiak
-2

match unescaped quotes

Created·2015-11-05 21:28
Flavor·Python
no description available
Submitted by anonymous
-2

adsf

Created·2015-11-01 11:11
Flavor·Python
adfadfad
Submitted by anonymous
-2

Between two strings

Created·2015-10-27 19:18
Flavor·Python
Awesome explanation of nested lookbacks
Submitted by OnlineCop
-2

match commas between sets or members, but not inside members.

Created·2015-10-23 16:41
Flavor·Python
matches only those commas that are between sets, or between members of a set. does not match commas that are inside members.
Submitted by Amrit Kohli
-2

Prosed OFX DateTimeType pattern for v.2.1.1+

Created·2015-09-06 02:10
Flavor·Python
no description available
Submitted by Oleg Sakharov karpuscul@gmail.com
-2

Validation of code ATECO Italian

Created·2015-08-19 12:09
Flavor·Python
/* -- This is a RegEx for validating one Italian ATECO code. -- For original specification visit: http://www.istat.it/it/archivio/17888 -- Valid: */ 1 01 01.2 01.02 01.02.3 01.02.03 // Not Valid: a asc 0123 012.3 013.456 123456 01/02/03
Submitted by Marco Tonchella with the help of this Comunity that thanks a lot.
-2

filter

Created·2015-07-18 07:55
Flavor·Python
no description available
Submitted by anonymous
-2

checklists item

Created·2015-07-15 13:25
Flavor·Python
checklists item
Submitted by Tobias Hochgürtel
-2

finds the instance of two or more repeating letters

Created·2015-07-10 19:34
Flavor·Python
no description available
Submitted by cp0153
-2

twitter usernames

Created·2015-07-10 11:15
Flavor·Python
no description available
Submitted by anonymous
-2

IPv4

Created·2015-06-19 13:07
Flavor·Python
allows for all legal IPv4 addresses
Submitted by anonymous
-2

Host and domains

Created·2015-06-10 18:44
Flavor·Python
no description available
Submitted by anonymous
-2

python bracketed text

Created·2015-01-27 21:53
Flavor·Python
why doesn't this match text in brackets?
Submitted by anonymous
-2

match only words consisting of 3 repeated letters, e.g. lllkkk

Created·2014-12-21 19:38
Flavor·Python
no description available
Submitted by kali

Community Library Entry

1

Regular Expression
Created·2021-06-27 14:09
Updated·2023-07-19 20:48
Flavor·PCRE (Legacy)

/
^(?![-])(?!.*[-]$)(?!.*[-]{2})[0-9-]{9}+$
/
gm
Open regex in editor

Description

Only accept numerics/digits and hyphens, forbidding them at the start and the end of the number, and avoid two consecutive occurrences.

Assuming the app validates the length.

Submitted by Sowed Castelli