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2.3.12 Verbatim Patterns
| Verbatim[expr] | an expression that must be matched verbatim |
Verbatim patterns. | Here the x_ in the rule matches any expression. | |
In[1]:=
{f[2], f[a], f[x_], f[y_]} /. f[x_] -> x^2
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Out[1]=
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| The Verbatim tells Mathematica that only the exact expression x_ should be matched. | |
In[2]:=
{f[2], f[a], f[x_], f[y_]} /. f[Verbatim[x_]] -> x^2
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Out[2]=
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