Regular Expressions 101

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Community Patterns

30

Cron schedule

Recommended
PCRE (PHP <7.3)
Validate cron lines (even the ones commented out)
Submitted by anonymous - 8 years ago
3

phone

Python
matches: + example: +52 33 3884 7720 +1 770 343 5788
Submitted by miqui - 10 years ago
8

Extract Protocol, URL, URL Path, get parameters and hash from URI

Python
This is simplified from my last submission.
Submitted by Dale O'Brien - 11 years ago
12

Full name (Turkish)

ECMAScript (JavaScript)
Matches case insensitive first name, optional unlimited number of middle names and last name separated with space format. Replaced \w with explicit char range for Turkish support. (Äž accepted as first char not to over complex)
Submitted by CKK - 10 years ago
27

Parsing browser User Agents

PCRE (PHP <7.3)
From a (fairly large) list of User Agent strings, extract the OS, Browser, and Device Type.
Submitted by OnlineCop - 10 years ago (Last modified a year ago)
17

Capture comma separated numbers

PCRE (PHP <7.3)
Capture comma separated numbers, no matter if there are spaces before or after the commas.
Submitted by Fernando Nunes - 9 years ago
18

Date Regex(DD/MM/yyyy)

PCRE (PHP <7.3)
no description available
Submitted by alcaamado - 9 years ago
15

IPv4

PCRE (PHP <7.3)
no description available
Submitted by robwa - 9 years ago
6

Matching balanced parens, brackets, and braces

PCRE (PHP <7.3)
no description available
Submitted by Noah Luck Easterly - 11 years ago
19

Email (RFC2822)

Recommended
ECMAScript (JavaScript)
Email address compliant with RFC2822
Submitted by Jago - 9 years ago
16

Hashtag

ECMAScript (JavaScript)
The secret of the Twitterverse.
Submitted by Joogl - 10 years ago
4

url

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
6

Simple Number

ECMAScript (JavaScript)
Verifies Number is a negative/positive number. Number may be a decimal, but if it is, it requires at least one number before and after the decimal place. Decimal numbers may also be negative or positive. Only 1 decimal place is allowed.
Submitted by David P Smith - 9 years ago
6

json

PCRE (PHP <7.3)
{1:aa,2:bb,3:"aa:bb"}
Submitted by suat & umut - 10 years ago
13

Match Gmail Email

Recommended
PCRE (PHP <7.3)
Match Gmail Email
Submitted by Óscar Enríquez - 10 years ago
11

Address Check Validation

PCRE (PHP <7.3)
Check for true or false street address format
Submitted by Dilip Borad - 11 years ago
8

Validate Base64 single-line string

PCRE (PHP <7.3)
no description available
Submitted by ka. - 11 years ago
12

Remove Special Ascii Characters from unicode String

PCRE (PHP <7.3)
By Using this string you can just remove ascii special characters from a unicode string characters like ♥♥♥♥ ▓▒ and other non unicode letters.
Submitted by Hummad Hassan - 10 years ago
0

utf-8 language

PCRE (PHP <7.3)
this regex is support for all languages
Submitted by Jigar Dhaduk - 9 years ago
12

Username with "_" "-"

ECMAScript (JavaScript)
no description available
Submitted by Gianvy - 9 years ago
12345...901

Community Library Entry

0

Regular Expression
PCRE2 (PHP >=7.3)

/
(?P<client_ip>[\d.]+) - - \[(?P<timestamp>.*?)\] "(?P<request_method>\w+) (?P<request_uri>.*?) (?P<protocol>.*?) (?P<protocol_version>.*?)" (?P<status>\d+) (?P<response_size>\d+|-) "(?P<referrer>.*?)" "(?P<user_agent>.*?)"
/
gm
Open regex in editor

Description

Read a line from the splunk tutorial www1 log

Submitted by Russ Ferriday - 2 years ago (Last modified 2 years ago)