Name: Essential Regular Expression Patterns Dataset
License: https://creativecommons.org/licenses/by/4.0/

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📗 Excel (9.8 KB) 📄 CSV (4.9 KB) 📕 PDF

💡 Key Takeaways

Access 45 pre-compiled regular expression patterns for immediate use.
Explore common regex for email, phone numbers, URLs, and more.
Download patterns for various programming and data validation tasks.
Use ready-to-implement regex to streamline your development and analysis workflows.

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Showing 20 of 45

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Pattern Name	Category	Regex Pattern	Example	Description
Email Address	Contact	^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$	user@example.com	Standard email validation
Email (Strict)	Contact	^[a-zA-Z0-9.!#$%&'+/=?^_`{\|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)$	name+tag@sub.domain.com	RFC 5322 compliant email
Phone (International)	Contact	^\+?[1-9]\d{1,14}$	+14155551234	E.164 international phone format
Phone (US)	Contact	^$?([0-9]{3})$?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$	(415) 555-1234	US phone number formats
Phone (Thai)	Contact	^(0[689]{1})\d{8}$	0812345678	Thai mobile phone number
URL (HTTP/HTTPS)	Web	^https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)$	https://example.com/path	HTTP/HTTPS URL validation
URL (Simple)	Web	^(https?:\/\/)?[\w.-]+\.[a-z]{2,}(\/\S*)?$	example.com/page	Simple URL pattern
Domain Name	Web	^(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$	sub.example.com	Domain name validation
IP Address (IPv4)	Web	^(?:(?:25[0-5]\|2[0-4][0-9]\|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]\|2[0-4][0-9]\|[01]?[0-9][0-9]?)$	192.168.1.1	IPv4 address validation
IP Address (IPv6)	Web	^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$	2001:0db8:85a3:0000:0000:8a2e:0370:7334	IPv6 address (full form)
MAC Address	Web	^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$	00:1A:2B:3C:4D:5E	MAC address validation
Slug (URL-friendly)	Web	^[a-z0-9]+(?:-[a-z0-9]+)*$	my-blog-post-title	URL slug format
Password (Strong)	Security	^(?=.[a-z])(?=.[A-Z])(?=.\d)(?=.[@$!%?&])[A-Za-z\d@$!%?&]{8,}$	Pass@123	Min 8 chars, upper, lower, digit, special
Password (Medium)	Security	^(?=.[a-z])(?=.[A-Z])(?=.*\d)[A-Za-z\d]{8,}$	Password1	Min 8 chars, upper, lower, digit
UUID v4	Security	^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$	550e8400-e29b-41d4-a716-446655440000	UUID version 4 format
JWT Token	Security	^[A-Za-z0-9-_]+\.[A-Za-z0-9-_]+\.[A-Za-z0-9-_]*$	eyJhbGc.eyJzdWI.SflKxw	JSON Web Token format
Hex Color	Security	^#?([A-Fa-f0-9]{6}\|[A-Fa-f0-9]{3})$	#FF5733	Hex color code
Integer	Number	^-?\d+$	-12345	Positive or negative integer
Decimal Number	Number	^-?\d*\.?\d+$	123.45	Decimal number
Currency (USD)	Finance	^\$?\d{1,3}(,\d{3})*(\.\d{2})?$	$1,234.56	US currency format

🔧 Use Cases

Import the CSV file into your SQL database or Python scripts to implement data validation logic for user inputs or data cleaning.
Use the Excel file to filter, sort, and analyze common regex patterns, or for quick lookup and reporting by data analysts.
Print the PDF version for classroom reference, offline study, or as a handy cheatsheet for developers and students.
Integrate these patterns into web forms, APIs, or data processing pipelines to ensure data integrity and format compliance.