Table of Contents

0.    Snob Regular Expressions

1.    PCRE Regular Expression Details

2.    Backslash

3.    Circumflex and Dollar

4.    Full Stop (Period, Dot)

5.    Matching A Single Byte

6.    Square Brackets

7.    Vertical Bar

8.    Match Options Setting

9.    Subpatterns

10.   Named Subpatterns

11.   Repetition

12.   Atomic Grouping and Possessive Quantifiers

13.   Back References

14.   Assertions

15.   Conditional Subpatterns

16.   Comments

17.   Recursive Patterns

18.   Subpatterns as Subroutines