1 | [\b] backspace |
2 | \b Word Boundary |
3 | \B NOT a Word Boundary |
4 | \cC Control Character C |
5 | \d Matches a digit |
6 | \f Form Feed |
7 | \D Matches a NON digit |
8 | \n New Line |
9 | \s White Space \f\n\r\t\v |
10 | \r Carriage Return |
11 | \S Not a White Space |
12 | \t tab |
13 | \v vertical tab |
14 | \w Any word Character |
15 | \W Not a word Character |
16 | \\ Backslash itself |
17 | \n (n integer) nth () selected as in $n |
18 | \ooctal Char with this octal rep |
19 | \xhex Char with this hex rep |
20 | . Anything |