Regular Expressions 101

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Community Patterns

0

Integers

ECMAScript (JavaScript)
Positive or negative. 0 is allowed but may not be a leading digit.
Submitted by anonymous - 9 years ago
-2

non-negative integer

ECMAScript (JavaScript)
repeat ... refactor
Submitted by jay johnson - 11 years ago
-2

Regex to select text withing square brackets.

ECMAScript (JavaScript)
no description available
Submitted by Dhrubajyoti Gogoi - 11 years ago
-2

Matching HTML attributes

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago
-2

Regex for 1 to 100 with or without decimal values

ECMAScript (JavaScript)
no description available
Submitted by Ved - 11 years ago
-2

Find a IPV4

ECMAScript (JavaScript)
no description available
Submitted by Jon Dotsoy - 10 years ago
-2

String with 1 lowercase 1 uppercase & 1 digit

ECMAScript (JavaScript)
Regular expression for a validating a string with following rules: at least one lowercase letter at least one upper case letter at least one digit length between 6 and 14...
Submitted by Rasmita Dash - 10 years ago
-2

Date format regex for ddMMMyyyy

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-2

search all special characters

ECMAScript (JavaScript)
no description available
Submitted by rlynjb - 10 years ago
-3

Number

ECMAScript (JavaScript)
Gets all numbers in a string. This includes positive and negative numbers aswell as integers and floats. By: http://www.benlorantfy.com/
Submitted by Ben - 11 years ago
-3

Html Tags

ECMAScript (JavaScript)
Matches HTML structure
Submitted by sagar - 10 years ago
-2

Select ID from regex101 URL

ECMAScript (JavaScript)
no description available
Submitted by Vinay - 11 years ago
-2

valid windows file name

ECMAScript (JavaScript)
no description available
Submitted by Mitacha - 11 years ago
-2

Comma-separated numbers with ranges

ECMAScript (JavaScript)
no description available
Submitted by Eugene - 11 years ago
-2

Match website - http:|https://i.imgur.com

ECMAScript (JavaScript)
no description available
Submitted by ghrifter - 10 years ago
-2

Match Content-Range response header

ECMAScript (JavaScript)
Matches the Content-Range response header format -[end]/[total|*]
Submitted by mdezem - 10 years ago
-2

Match words in a string

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-2

domain name

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-2

SQL Injection

ECMAScript (JavaScript)
SQL injection regEx pattern
Submitted by Darshan Patil - 10 years ago
0

Simple

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 12 years ago
1...7576777879...194