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Character | Meaning | Escaped | |
---|---|---|---|
^ | boundary matcher | \^ | |
$ | boundary matcher | \$ | |
\ | escape character | \\ | |
{ | quantifier notation | \{ | |
} | quantifier notation | \} | |
[ | character class notation | \[ | |
] | character class notation | \] | |
( | group notation | \( | |
) | group notation | \) | |
. | predefined character class | \. | |
* | quantifier | \* | |
+ | quantifier | \+ | |
? | quantifier | \? | |
| | OR operator | \| |
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