MatchQ

Tilgjengelig

Tests whether an expression matches a pattern.

Former

MatchQ[expr, form]

MatchQ[form]

Verifiserte eksemplerMatchQ[5, _Integer] → True MatchQ["hi", _Integer] → False

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Brukt i

Replace or remove invalid or missing data - 23 steg

Emner

Pattern Matching Functions - Patterns for Part Specifications
Patterns - Pattern Matching Functions »
Rules And Patterns - Pattern Matching Functions »
Testing Expressions - Expression Tests

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