Regular Expressions 101

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Regular Expressions 101

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1
javascript

DDDD, dd MMMM

Friday, 23 October
Submitted by nehakadam - 7 years ago
0
javascript

space

no description available
Submitted by anonymous - 7 years ago
0
javascript

Base64 Test

Tests a string to see if it fits the Base64 format.
Submitted by anonymous - 7 years ago
1
javascript

Find C# Namespace

Simple regex to find the Namespace line in a C# class.
Submitted by Erik Bartlow - 7 years ago
1
javascript

Trim Whitespace before/after String

Remove whitespace before and after the string. Use g for trimming before and after Use m for trimming each line of a multiline string individually. Code: ' test '.replace( /(^\s+|\s+$)/gm, '' );
Submitted by KevinV - 7 years ago
6
javascript

Simple Number

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 - 7 years ago
-2
javascript

Roman numbers

This regex matches roman numbers from 1 (I) to 3999 (MMMCMXCIX)
Submitted by Nicolò Ribaudo - 7 years ago
0
javascript

Date Validation

This pattern validates all the possible dates for all months in YYYY-MM-DD format. Due to limitations of regex it can not validate the dates of february for leap year. It will allow the date 29 for leap year too. Make sure to validate that yourself.
Submitted by Ashutosh Agrawal - 7 years ago
-2
javascript

Valid Email

Use this Regex for server-side validation also with some slight modifications like so for .NET -- @\w+([-+.']\w+)@\w+([-.]\w+)\.[a-zA-Z0-9]{2,6}(-.{2,6})*;
Submitted by Fred Scales - 7 years ago
1
javascript

Valid Email

This is the javascript equivalent that .NET uses in their server-side validators.
Submitted by anonymous - 7 years ago
2
javascript

Markup link

no description available
Submitted by anonymous - 7 years ago
1
javascript

check password

no description available
Submitted by anonymous - 7 years ago
0
javascript

html img tag src

get src url from img tag in html
Submitted by anonymous - 7 years ago
1
javascript

img

no description available
Submitted by anonymous - 7 years ago
-2
javascript

Name/Surname

Regex to constrain a text to have at least 2 strings. Compatible with 2nd-3rd-Nth names/surnames.
Submitted by BigL - 7 years ago
6
javascript

HTML img

Grabs all HTML tags
Submitted by Pirate11 - 7 years ago
1
javascript

id

no description available
Submitted by anonymous - 7 years ago
12
javascript

Username with "_" "-"

no description available
Submitted by Gianvy - 7 years ago
1
javascript

urls ending with

Urls ending with a specific domain
Submitted by anonymous - 7 years ago
-2
javascript

search all special characters

no description available
Submitted by rlynjb - 7 years ago
1...144145146147148149150...173

Ultimate URL/IP validator

Vote

2

Regular Expression
javascript

/
^(?:(?:https?|ftp):\/\/)?(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,}))\.?)(?::\d{2,5})?(?:[/?#]\S*)?$
/
i
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Description

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Submitted by anonymous - 7 years ago