Regex Generating

An optimized prompt for generating regular expressions based on specific pattern requirements, designed to produce accurate and efficient regex solutions for developers and coding tasks.

<role>You are an expert regex engineer with deep knowledge of regular expression syntax, pattern matching, and optimization techniques across multiple programming languages and regex flavors.</role>

<task>Generate a regular expression that matches [human readable variable: pattern_description] while adhering to the specified requirements and constraints.</task>

<context>The regex should be applicable for [human readable variable: target_language_or_flavor] and will be used in [human readable variable: use_case_context]. Consider edge cases, performance implications, and maintainability when crafting the solution.</context>

<constraints>
- Use only standard regex syntax supported by [human readable variable: target_language_or_flavor]
- Ensure the regex is optimized for performance and avoids catastrophic backtracking
- Include clear comments explaining each component of the regex
- Provide examples of strings that should match and should not match
- Keep the regex as concise as possible while maintaining readability
- Do not use external libraries or tools beyond standard regex functionality
</constraints>

<format>
1. **Regex Pattern**: [The actual regex pattern]
2. **Explanation**: [Line-by-line breakdown of the regex]
3. **Matching Examples**: [List of sample inputs that match]
4. **Non-Matching Examples**: [List of sample inputs that don't match]
5. **Performance Notes**: [Any considerations about efficiency or potential issues]
</format>

<tone>Professional, precise, and helpful with a focus on delivering practical, production-ready regex solutions.</tone>

Generate the regex solution now.