Double tilde
Double tilde (~~ or ≈) may refer to:
- Approximation [≈]
- Double negation [ ~(~ ]
In computing
- Smart match operator in Perl, ~~
- Double binary NOT operator (as used in languages like JavaScript and PHP as a quick way to cast variable as integer, where it is called 'two tildes' to indicate a form of double negation)
- In PostgreSQL the operator
~~is equivalent toLIKE[1]
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- ^ "9.7. Pattern Matching". PostgreSQL Documentation. 2021-08-12. Retrieved 2021-09-15.