Those who know it, can create magic on the go, and those who don't know it are afraid like hell. My suggestion go visit the hell and you will never regret a thing about it.
Following are the the few resource from the site www.webtechtuts.com
All Regular Expression articles on Webtechtuts.com Regex Category on Webtechtuts.com Regular Expression:
- Learn writing regular expression in 60 minutes
- Regex – Literal Characters And Special Characters
- Regex – How a Regex Engine Works Internally?
- Regex – Character Classes or Character Sets
- Regex – Dot Matches (Almost) Any Character
- Regex – Start and End of String or Line Anchors
- Regex – Word Boundries in Regular Expression
- Regex – Alternation
- Regex – Optional Item
- Regex – Repetition Using Various Quantifiers
- Regex – Matching Modes
- Regex – Free Spacing
- Regex – Adding Comments
All the best. Rule Regular Expression.