PHP Regular ExpressionsPHP - Regular Expressions
Introduction to Data Validation with Regular Expressions
Using Regular Expressions
What Are Regular Expressions?
Setup
Testing Your Expressions
Basic Searches
Character Classes
Boundaries
The Dot
Repeating Patterns
Grouping and Choice
Tricks and Traps
Data Validation with Regular Expressions
Validating Usernames
Matching Phone Numbers
Matching Postal Codes
Matching E-Mail Addresses
Other Regular Expression Functions
ereg_replace
Split
The tutorial covers the following:
- The definition of regular expressions and the basics of their use
- Potential problems that might arise while using regular expressions
- Use of regular expressions to perform data validation in a web applications
- Functions that use regular expressions to perform more interesting and advanced tasks