WebFuzzing/EvoMaster
Aug 2025 – Apr 2026
5 Months active
Languages Used
ANTLRJavaKotlinJavaScriptMarkdownShellYAML
Technical Skills
Code GenerationParser DevelopmentRegular ExpressionsTestingANTLRANTLR Grammars
Lucas
PROFILE
Lucas
Worked on the WebFuzzing/EvoMaster repository, delivering advanced regular expression parsing and robust backend infrastructure over five months. Developed features supporting hexadecimal, Unicode, octal, and control escapes in regex parsing for both Java and JavaScript, updating ANTLR grammars and parser logic to improve language compatibility and test coverage. Enhanced reliability through expanded end-to-end testing, introduced CI/CD pipelines with Docker for streamlined deployment, and refactored character range handling for maintainability. Contributed detailed documentation and code comments to clarify regex semantics. Utilized Java, Kotlin, and ANTLR, focusing on parser development, continuous integration, and software testing to ensure code quality and extensibility.
Overall Statistics
Feature vs Bugs
89%Features
Repository Contributions
41Total
Bugs
2
Commits
41
Features
16
Lines of code
28,032,423
Activity Months5
Your Network
20 peopleShared Repositories
20
Work History
April 2026
26 Commits • 8 Features
Apr 1, 2026April 2026 monthly summary for WebFuzzing/EvoMaster. Focused on delivering robust regex parsing, Unicode support, reliability improvements for end-to-end tests, and maintainability enhancements. Highlights include significant regex engine improvements, Unicode utilities, and ongoing code quality work with merge cleanups.
26 Commits • 8 Features
Apr 1, 2026April 2026 monthly summary for WebFuzzing/EvoMaster. Focused on delivering robust regex parsing, Unicode support, reliability improvements for end-to-end tests, and maintainability enhancements. Highlights include significant regex engine improvements, Unicode utilities, and ongoing code quality work with merge cleanups.
April 2026
March 2026
6 Commits • 4 Features
Mar 1, 20262026-03 Monthly Summary for WebFuzzing/EvoMaster: Implemented foundational CI/CD and deployment infrastructure, completed a major refactor of character range and sampling with MultiCharacterRange, increased end-to-end test iterations for greater reliability, and added detailed Regex Java grammar documentation. These efforts reduce deployment friction, improve code maintainability and performance, expand test coverage, and clarify Java regex semantics for contributors.
March 2026
6 Commits • 4 Features
Mar 1, 20262026-03 Monthly Summary for WebFuzzing/EvoMaster: Implemented foundational CI/CD and deployment infrastructure, completed a major refactor of character range and sampling with MultiCharacterRange, increased end-to-end test iterations for greater reliability, and added detailed Regex Java grammar documentation. These efforts reduce deployment friction, improve code maintainability and performance, expand test coverage, and clarify Java regex semantics for contributors.
October 2025
6 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for WebFuzzing/EvoMaster: Two major feature work streams delivered with strong business value: EOF handling standardization and extended regex parsing support (advanced escapes) across Java and JavaScript. Implemented a centralized EOF_TOKEN constant and refactored to use explicit "<EOF>" instead of magic numbers for GeneRegexEcma262Visitor and GeneRegexJavaVisitor, improving readability and maintainability. Expanded regex parsing capabilities to include long hexadecimal escapes (\x{...}), Java octal escapes, and control/ control-letter escapes with grammar updates, visitor implementations, and tests across both Java and JavaScript regex engines.
6 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for WebFuzzing/EvoMaster: Two major feature work streams delivered with strong business value: EOF handling standardization and extended regex parsing support (advanced escapes) across Java and JavaScript. Implemented a centralized EOF_TOKEN constant and refactored to use explicit "<EOF>" instead of magic numbers for GeneRegexEcma262Visitor and GeneRegexJavaVisitor, improving readability and maintainability. Expanded regex parsing capabilities to include long hexadecimal escapes (\x{...}), Java octal escapes, and control/ control-letter escapes with grammar updates, visitor implementations, and tests across both Java and JavaScript regex engines.
October 2025
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for WebFuzzing/EvoMaster: Delivered a key feature in the regex parsing workflow by enabling Unicode escapes support across ECMA-262 and Java syntaxes, along with robust handling of invalid escape sequences. The changes include grammar updates, visitor adjustments, and an expanded test suite to validate both valid and invalid escapes. This work reduces parsing errors, increases coverage for complex regex patterns, and strengthens the reliability of fuzzing/test generation.
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for WebFuzzing/EvoMaster: Delivered a key feature in the regex parsing workflow by enabling Unicode escapes support across ECMA-262 and Java syntaxes, along with robust handling of invalid escape sequences. The changes include grammar updates, visitor adjustments, and an expanded test suite to validate both valid and invalid escapes. This work reduces parsing errors, increases coverage for complex regex patterns, and strengthens the reliability of fuzzing/test generation.
August 2025
1 Commits • 1 Features
Aug 1, 2025Month: 2025-08. Focused on delivering deeper regex parsing capabilities in WebFuzzing/EvoMaster to strengthen fuzzing input quality and cross-language compatibility.
1 Commits • 1 Features
Aug 1, 2025Month: 2025-08. Focused on delivering deeper regex parsing capabilities in WebFuzzing/EvoMaster to strengthen fuzzing input quality and cross-language compatibility.
August 2025
Activity
Loading activity data...
Quality Metrics
Correctness93.6%
Maintainability86.8%
Architecture88.4%
Performance86.8%
AI Usage21.4%
Skills & Technologies
Programming Languages
ANTLRJavaJavaScriptKotlinMarkdownShellYAML
Technical Skills
ANTLRANTLR GrammarsANTLR grammarCode CleanupCode GenerationCode ReadabilityContinuous DeploymentContinuous IntegrationDevOpsDockerGitJavaJava DevelopmentJava developmentJavaScript
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline