¶ Rod Cutting
Here’s a list of 100 chapter titles covering Regular Expressions (Regex) from beginner to advanced levels, specifically focusing on their applications in competitive programming. These chapters will guide you through the basics, syntax, patterns, optimizations, and advanced techniques for using regex in coding contests.
¶ Beginner Level
- Introduction to Regular Expressions in Competitive Programming
- What Are Regular Expressions? Basic Definitions
- Basic Syntax of Regular Expressions
- Literals and Metacharacters: Understanding the Foundation
- Character Classes: Matching Sets of Characters
- The Dot (.) Character: Matching Any Character
- Using the Caret (^) and Dollar Sign ($) for Anchors
- Matching Digits and Non-Digits: \d, \D
- Matching Word Characters and Non-Word Characters: \w, \W
- Whitespace Characters: \s and \S
- Quantifiers: Using * (Zero or More), + (One or More), ? (Zero or One)
- Character Ranges: Using Brackets [ ]
- Negating Character Classes with ^ inside Brackets
- Using Parentheses for Grouping
- Basic String Matching with Regex in Programming Languages
- Simple Examples: Matching Email Addresses and Phone Numbers
- Escaping Special Characters in Regex
- Understanding and Using \b for Word Boundaries
- Matching Numbers and Floating Point Values with Regex
- Regex in Python, C++, and Java: Basic Syntax Comparison
¶ Intermediate Level
- Introduction to Regex Engine Types: NFA vs. DFA
- *Greedy vs Lazy Quantifiers: Using ?, +?, ??
- Using Alternation: The Pipe (|) Operator
- Capturing Groups and Backreferences in Regex
- Named Capturing Groups and Their Applications
- Lookahead and Lookbehind: Positive and Negative Assertions
- Understanding Non-Capturing Groups (?
- Using Regex for Validating Strings: Email, URLs, Dates
- Using Regex to Split Strings Efficiently
- Pattern Matching for Alphanumeric Strings
- Regex for Matching Dates: YYYY-MM-DD, DD/MM/YYYY
- Solving String Matching Problems with Regex
- Regex for Matching Specific String Lengths
- Regex for Case Insensitive Matching
- Complex Pattern Matching: Combining Multiple Patterns
- Using Regex for Pattern Substitution: Replacing Substrings
- Advanced Grouping Techniques: Nested and Complex Groups
- Handling Optional Patterns with Regex
- Using Regex in Validation: Password and Username Constraints
- Regex for Parsing and Extracting Data from Text Files
¶ Advanced Level
- Backtracking in Regex Engines: Theory and Practice
- Optimization Techniques for Regex in Competitive Programming
- Performance Considerations: Time Complexity of Regex Operations
- Matching Large Texts Efficiently Using Regex
- Regex and Finite Automata: Connecting Theory to Practice
- Handling Unicode and Multilingual Text with Regex
- Advanced Lookahead and Lookbehind Assertions
- Zero Width Assertions: ^, $, \b, \B
- Regex for Complex String Searching Algorithms
- Using Regex for Pattern Matching in Arrays and Strings
- Regex for Palindrome Detection in Competitive Programming
- Regex for Extracting Phone Numbers from Text
- Regex for Matching HTML and XML Tags
- Matching Parentheses and Brackets: Balancing Expressions
- Solving Counting Problems with Regex
- Regular Expressions for Parsing Log Files
- Regex for Detecting Invalid Patterns in Strings
- Recursive Patterns in Regex: Concepts and Applications
- Performance Profiling of Regex in Large Inputs
- Regex for Searching and Replacing Multiple Patterns Simultaneously
- Using Regex to Solve Anagram Problems
- Regex for Matching Complex Mathematical Expressions
- Advanced Search and Replace Techniques with Regex
- Regex for Extracting Key-Value Pairs from Text
- Regex for Parsing and Analyzing CSV Files
- Regex for Matching Specific Characters in Large Texts
- Finding Common Substrings Using Regex
- Optimizing Regex Patterns for Speed
- Regex for Parsing and Validating JSON Format
- Regex for Complex Text Data Extraction
- Regex for Matching and Validating IP Addresses
- Advanced Grouping and Backreferences for Pattern Extraction
- Regex for Solving Cryptographic Challenges
- Regex for Matching Complex Graph Structures
- Handling Multiple Lookaheads in Regex Efficiently
- Regex for Matching Non-ASCII Characters in Strings
- Regular Expressions in Algorithms for Sorting and Searching
- Using Regex for Efficient Data Compression
- Regex for Solving the Knuth-Morris-Pratt String Matching Problem
- Regex for Performing Syntax Highlighting in Code Editors
- Parsing Nested Structures Using Regex: Parentheses, Brackets, etc.
- Combining Regex with Other Algorithms for Faster String Matching
- Regex for Validating Complex Formats in Input Validation
- Regex for Extracting Keywords from Text
- Regex in Real-Time Text Processing
- Handling Non-Deterministic Finite Automata (NFA) in Regex
- Advanced String Matching Algorithms with Regex
- Using Regex in Dynamic Programming Problems
- Regex in Genetic Algorithms for Pattern Matching
- Regex for Parsing Mathematical Expressions in Coding Contests
- Regex in File Systems: Searching for Specific File Types
- Regex for Solving Search and Filter Problems in Databases
- Regex for Parsing and Analyzing Code Syntax Trees
- Efficient Regex Search Algorithms in Large Databases
- Regex for Extracting Structured Data from Unstructured Text
- Regex Optimization in String Manipulation Problems
- Regex for Solving Complex Validation and Parsing Tasks
- Regex for Matching Patterns in Data Streams
- Using Regex in Advanced Algorithmic Problems: Dynamic Programming and Greedy
- Final Thoughts: Mastering Regex in Competitive Programming
This list covers a wide range of topics from the very basics to advanced techniques of using regular expressions in competitive programming. Whether you're a beginner or an advanced coder, these chapters will help you master regex and apply it to a variety of programming problems efficiently.