Regular Expressions 101

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Community Library Entry

Regular Expression
ECMAScript (JavaScript)

^(((19|[2-9][0-9])[0-9][0-9])-(((0[1-9]|1[012])-(0[1-9]|1[0-9]|2[0-8]))|((0[13578]|1[02])-(29|30|31))|((0[4,6,9]|11)-(29|30))))|((19|[2-9][0-9])(00|04|08|12|16|20|24|28|32|36|40|44|48|52|56|60|64|68|72|76|80|84|88|92|96)-02-29)$

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Description

Start from 1900-01-01

Submitted by anonymous - 3 months ago

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Community Patterns

Match Non-Digit Characters

Match Specific File Extensions (e.g., .jpg, .png)

Match Username with Special Characters

Match HTML Tags with Attributes

Match Credit Card Numbers (Visa, MasterCard)

Match Decimal Numbers with Thousand Separator

Match Times in 12-Hour Format (HH AM/PM)

Match US ZIP Code with Optional Extension

Match Hexadecimal Strings regex

Match SQL Comments

Match Passwords with Minimum Length and Special Characters

Match Valid HTML5 Color Names

Match Legal HTML Tags

Match IPv6 Address

Match IP Address with Port Number

Match Valid UUID v4

Match Optional URL Path

Match US ZIP Code and Extension

Match Non-Whitespace Characters

Match Valid CSS Properties

Community Library Entry

Regular ExpressionECMAScript (JavaScript)

Description

Regular Expression
ECMAScript (JavaScript)