MatchQ

Disponibile

Tests whether an expression matches a pattern.

Forme

MatchQ[expr, form]

MatchQ[form]

Esempi verificatiMatchQ[5, _Integer] → True MatchQ["hi", _Integer] → False

Esegui su Qurak Cerca nella guida

Usata in

Replace or remove invalid or missing data - 23 passi

Argomenti

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

Correlate

StringMatchQ FreeQ MemberQ Replace Pattern Cases Count Position DeleteCases AllMatch AlphabeticOrder AnyMatch

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