| Character |
Matches |
| . |
Matches any character |
| \n |
Newline |
| \\ etc |
\ etc |
| \s |
Whitespace |
| \d |
Digit |
| \w |
Character in a word including _ |
| \W |
Character not in a word |
| \D etc |
Any character that does not match \d |
| \S |
Matches non whitespace characters |
| ^ |
Start of line |
| $ |
End of line |
