Regular Expression

·       Introduction to Regular Expressions

·       Importance of Regular Expressions in Oracle

·       REGEXP_LIKE Function

·       REGEXP_INSTR Function

·       REGEXP_SUBSTR Function

·       REGEXP_REPLACE Function

·       Basic Metacharacters

·       Character Classes

·       Predefined Character Classes

·       Quantifiers (*, +, ?, {n}, {n,m})

·       Anchors (^, $)

·       Grouping with Parentheses ()

·       Alternation with |

·       Backreferences (\1, \2, …)

·       POSIX Character Classes

·       Dot (.) and Wildcards

·       Escaping Special Characters

·       Nested Patterns

·       Pattern Matching in WHERE Clause

·       Validating Email Addresses

·       Validating Phone Numbers

·       Extracting Substrings from Text

·       Replacing Text Patterns

·       Handling Case Sensitivity

·       Regular Expressions with Dates

·       Using REGEXP Functions in Reports

·       Performance Considerations

·       Common Errors and Debugging Patterns

·       Hands-on Exercises with Sample Data

·       Best Practices for Oracle Regular Expressions