Regular Expressions

  1. Performance and Optimization
    1. Performance Bottlenecks
      1. Catastrophic Backtracking
        1. Excessive Alternation
          1. Nested Quantifiers
            1. Complex Lookarounds
            2. Optimization Techniques
              1. Specific Character Classes
                1. Atomic Grouping
                  1. Possessive Quantifiers
                    1. Alternation Ordering
                      1. Early Anchoring
                      2. Pattern Analysis
                        1. Complexity Assessment
                          1. Backtracking Identification
                            1. Performance Profiling
                              1. Testing Strategies
                              2. Alternative Approaches
                                1. String Methods
                                  1. Parser Libraries
                                    1. State Machines
                                      1. Preprocessing Techniques

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                                    9. Common Patterns and Applications

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                                    11. Debugging and Testing