Regex cheat sheet

regex_cheet_sheet.text

### Regex Cheet Sheet

.       - any character except new line
\d      - digit (0-9)
\D      - Not a digit (0-9)
\w      - word character (a-z, A-Z, 0-9, _)
\W      - Not a word character
\s      - whitespace (space, tab, newline)
\S      - non whitespace (space, tab, newline)

\b      - word boundary
\B      - Not a word boundary
^       - begining of a string
$       - end of a string

[ ]     - matches caracters in brackets
[^ ]    - matches caracters in Not brackets
|       - either or
( )     - group

Quantifiers:
*       - 0 or more
+       - 1 or more
?       - 0 or 1
{3}     - exact number
{3,4}   - range of numbers (minimum, maximum)