Regular expression resources

Tutorial

• Regular-Expressions.info
  • Tutorial
  • Quick Start
• RegexOne. Learn Regular Expressions with simple, interactive exercises.
  • Interactive exercises (at the end of each lesson) are somewhat confusing. .* will produce a match for any string input, which is displayed as successful (check mark).
  • The 9 “Practice Problems” are good. Scenarios useful in real life: matching email addresses, HTML, etc.
• Software Carpentry Regular expressions tutorial

Reference

• Python 3 Regular Expression HOWTO
• Mulberry Technologies Regular Expressions in XSLT 2.0, XQuery 1.0 and XPath 2.0

Sandbox sites

Develop and test regex in a browser at:

• regular expressions 101
• Regex Pal
• Regex Tester

Practice, just for fun

• Regex-matching Steve Jobs
• Regex Crossword