ReplaceAll

Available, differs from the .wl reference

Replaces parts of an expression according to rules.

Forms

expr /. rules or ReplaceAll[expr, rules]

ReplaceAll[rules]

Verified examples{a, b} /. a -> x → {x, b}{x^2, y^2} /. x -> 2 → {4, y^2}(# + 1) &[2] /. 3 -> 9 → 9

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Topics

Computational Systems And Discovery - Boolean Functions»
Discrete And Integer Data - Distance Measures»
Evaluation Control - Manipulating Unevaluated Expressions
Expressions - Transforming Expressions »
Language Overview - Rules & Transformations »
Manipulating Equations - General

Related

Replace Rule ReplaceAt Set MapAll ReplaceRepeated TransformationFunctions ReplaceList Position RuleDelayed Cases Count

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