Regular Expression courses can help you learn pattern matching, text manipulation, and data validation techniques. You can build skills in troubleshooting regex issues, optimizing search queries, and extracting specific data from large datasets. Many courses introduce tools like Python's re module, JavaScript's RegExp object, and text editors with regex support, showing how these skills are applied in software development, data analysis, and web scraping.

Coursera
Skills you'll gain: SQL, PostgreSQL, Database Management, Data Manipulation, Database Systems
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Data Flow Diagrams (DFDs), Prompt Engineering, Generative AI, Embeddings, Context Management, Large Language Modeling, Vector Databases, Data Pipelines, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, C++ (Programming Language), Functional Design, Object Oriented Programming (OOP), Maintainability, Event-Driven Programming, Performance Tuning, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Test Script Development, Application Programming Interface (API), Test Case, Restful API, Software Testing, Configuration Management, Java Programming, Maintainability
Intermediate · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Computational Logic, Combinatorics, Logical Reasoning, Mathematical Modeling, Theoretical Computer Science, Applied Mathematics, Algorithms, Linear Algebra, Verification And Validation, Arithmetic
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Portfolio Risk, Risk Management, Risk Analysis, Financial Analysis, Portfolio Management, Return On Investment, Investment Management, Finance
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: JSON, API Testing, Restful API, Software Quality Assurance, Software Engineering, Test Script Development, Java, Data Mapping, Software Testing, Test Case, Test Data
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Logical Reasoning, Combinatorics, Computational Logic, Deductive Reasoning, Cryptography, Probability, Computational Thinking, Encryption, Probability Distribution, Network Analysis, Public Key Cryptography Standards (PKCS), Theoretical Computer Science, Bayesian Statistics, Python Programming, Data Structures, Cybersecurity, Algorithms, Arithmetic, Visualization (Computer Graphics)
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Endpoint Detection and Response, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Cyber Threat Intelligence, Exploitation techniques, Data Persistence, Scripting, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
Intermediate · Specialization · 3 - 6 Months

Universitat Politècnica de València
Skills you'll gain: Linear Algebra, Algebra, Geometry, General Mathematics, Applied Mathematics, Arithmetic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operational Databases, Database Administration, Database Management, Relational Databases, Query Languages, Database Design, Google Cloud Platform, Data Import/Export, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Brute-force attacks, Scripting, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Systems Analysis, Automation
Beginner · Specialization · 1 - 3 Months