Custom Regex Written & Tested to Your Spec

Need a regular expression but can't get the pattern to match exactly what you want?

Send me your requirements and examples. I will write a custom regex, test it against your sample data and explain how it works.

✓ GUARANTEE

If I can't deliver exactly what's described in this listing, you get a full refund. No questions, no delay.

WHAT YOU GET

• Custom regex written for your specific requirement
• Pattern tested against your examples
• Positive and negative test cases checked
• Clear explanation of how the regex works
• Ready-to-copy regex pattern
• Relevant variant for your target language/environment when required
• One revision within the original specification

WHAT I NEED FROM YOU

After purchase, please provide through eBay:

• What you want the regex to match
• Examples that should match
• Examples that should NOT match
• Any special rules or exceptions
• Your target language or tool, if applicable

For example:

Should match:
SKU-12345
SKU-98765

Should NOT match:
12345
PRODUCT-98765

The more representative examples you provide, the more precisely the pattern can be tested.

LANGUAGES & ENVIRONMENTS

Regex syntax can differ between environments.

Tell me where you plan to use the pattern and I can adapt it for common environments such as:

• JavaScript
• Python
• PHP
• Java
• .NET
• Other regex-compatible tools

USE CASES

Custom regex can be useful for:

• Data validation
• Text extraction
• Search and replace
• Log parsing
• Product or reference codes
• URLs and filenames
• Structured text patterns
• Data cleanup

TURNAROUND & REVISION

Delivery: within 24 hours

One revision within your original specification is included.

If the original requirements change after delivery, the new pattern may require a separate order.

WHAT'S NOT INCLUDED

• Complete scripts or applications
• Integration into your website or software
• Large-scale data processing
• Web scraping implementation
• Debugging an entire codebase
• Complex software automation

IMPORTANT

This listing is for a regular expression, not full software development.

The regex is built and tested against the requirements and examples you provide. If an edge case isn't represented in the original specification, additional changes may fall outside the original order scope.

One-time service. No subscription. Digital delivery through eBay.