Regular Expressions
Email Address Validation
URL Validation
Phone Number Validation
Postal Code Validation
Credit Card Numbers
Social Security Numbers
Date and Time Extraction
Number Extraction
IP Address Extraction
HTML Tag Extraction
CSV Parsing
Log File Parsing
Case Conversion
Format Standardization
Data Cleaning
Template Processing
Pattern Compilation
Match Object Handling
Replacement Operations
String Splitting
Iterator Patterns
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8. Regular Expression Engines
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10. Performance and Optimization