| Identifier | Description |
|---|---|
\d | any number |
\D | anything but a number |
\s | space |
\S | anything but a space |
\w | any character |
\W | anything but a character |
\b | the whitespace around words |
. | any character expect for a new line |
\. | a period |
| Modifier | Description |
|---|---|
{1, 3} | we’re expecting 1-3 ex: \d{1, 3} |
{x} | expecting “x” ammount |
+ | Match 1 or more |
? | Match 0 or 1 |
* | Match 0 or more |
$ | Match the end of a string |
^ | Matching the beginning of a string |
[] | range or “variance” [A-Z] |
| Expression | Description |
|---|---|
^ | negates a character class (eg: /[^g-f]/ – NOT between g and f) |
\W | [^\w] |
\D | [^\d] |
\S | [^\s] |
(?:ABC) | won’t capture the group |
AB(?=C) | lookahead, will match when AB is followed by C, but C won’t be matched |
(?<name>.*) | gives a group a name |