| 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})?$ | $1,234.56 | US currency format |
| Credit Card | Finance | ^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|3[47][0-9]{13}|6(?:011|5[0-9]{2})[0-9]{12})$ | 4111111111111111 | Visa, MC, Amex, Discover |
| CVV | Finance | ^[0-9]{3,4}$ | 123 | Credit card CVV/CVC |
| IBAN | Finance | ^[A-Z]{2}[0-9]{2}[A-Z0-9]{4}[0-9]{7}([A-Z0-9]?){0,16}$ | DE89370400440532013000 | International Bank Account Number |
| Date (YYYY-MM-DD) | DateTime | ^\d{4}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01])$ | 2024-12-25 | ISO 8601 date format |
| Date (DD/MM/YYYY) | DateTime | ^(0[1-9]|[12]\d|3[01])\/(0[1-9]|1[0-2])\/\d{4}$ | 25/12/2024 | European date format |
| Date (MM/DD/YYYY) | DateTime | ^(0[1-9]|1[0-2])\/(0[1-9]|[12]\d|3[01])\/\d{4}$ | 12/25/2024 | US date format |
| Time (24h) | DateTime | ^([01]\d|2[0-3]):([0-5]\d)$ | 23:59 | 24-hour time format |
| Time (12h) | DateTime | ^(0?[1-9]|1[0-2]):[0-5][0-9]\s?(AM|PM|am|pm)$ | 11:30 PM | 12-hour time with AM/PM |
| ISO 8601 DateTime | DateTime | ^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})?$ | 2024-12-25T10:30:00Z | ISO 8601 datetime |
| Username | Text | ^[a-zA-Z0-9_]{3,16}$ | user_name123 | Alphanumeric with underscore, 3-16 chars |
| Alphanumeric | Text | ^[a-zA-Z0-9]+$ | abc123 | Letters and numbers only |
| Letters Only | Text | ^[a-zA-Z]+$ | HelloWorld | English letters only |
| No Special Chars | Text | ^[a-zA-Z0-9\s]+$ | Hello World 123 | Alphanumeric with spaces |
| Whitespace Trim | Text | ^\S.*\S$|^\S$ | no leading/trailing spaces | No leading/trailing whitespace |
| US SSN | ID | ^(?!000|666|9\d{2})\d{3}-(?!00)\d{2}-(?!0000)\d{4}$ | 123-45-6789 | US Social Security Number |
| US ZIP Code | ID | ^\d{5}(-\d{4})?$ | 12345-6789 | US ZIP code (5 or 9 digit) |
| UK Postcode | ID | ^[A-Z]{1,2}[0-9][A-Z0-9]?\s?[0-9][A-Z]{2}$ | SW1A 1AA | UK postal code |
| ISBN-10 | ID | ^(?:\d{9}X|\d{10})$ | 0306406152 | ISBN-10 format |
| ISBN-13 | ID | ^97[89]\d{10}$ | 9780306406157 | ISBN-13 format |
| File Extension | File | ^.*\.(jpg|jpeg|png|gif|pdf|doc|docx)$ | document.pdf | Common file extensions |
| File Path (Unix) | File | ^\/([\w.-]+\/)*[\w.-]+$ | /home/user/file.txt | Unix file path |
| File Path (Windows) | File | ^[a-zA-Z]:\\(?:[\w.-]+\\)*[\w.-]+$ | C:\Users\file.txt | Windows file path |
| HTML Tag | Code | <([a-z]+)([^<]+)*(?:>(.*)<\/\1>|\s+\/>) | <div class="x">content</div> | HTML tag matching |
| Hashtag | Social | ^#[a-zA-Z0-9_]+$ | #trending | Social media hashtag |
| Twitter Handle | Social | ^@[a-zA-Z0-9_]{1,15}$ | @username | Twitter/X username |
