Regular Expressions 101

Library entries

1
pcre2

3 letter word finder

finds any 3 letter words in a text
Submitted by anonymous - an hour ago
0
pcre2

quoted strings regex

matches quoted strings
Submitted by anonymous - 9 hours ago
0
javascript

IPv4-CIDR

Match IPv4-CIDR (JavaScript)
Submitted by fwqaaq - 10 hours ago
0
pcre2

outletId

test outlet id
Submitted by Ankit - 16 hours ago
0
dotnet

Youtube Video Id

Matches the video Id in Youtube URL.
Submitted by CW - 21 hours ago
0
pcre2

fb-group

db gr
Submitted by anonymous - a day ago
0
pcre2

jvavo-regExp-links

To include all content checkers
Submitted by anonymous - a day ago
0
pcre2

converting table to repeattable command latex

for testing doc
Submitted by anonymous - 4 days ago

dd/mm/yyyy validation regexp

Vote

1

Regular Expression
python

r"
^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$
"

Description

Loading markdown...
Submitted by uknnown - 8 years ago