How to replace ( , ) using sub in R ? Let define x

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Editorial Team

Asked: June 2, 20262026-06-02T07:14:04+00:00 2026-06-02T07:14:04+00:00

How to replace ( , ) using sub in R ?

Let define x as :

x="abc(def"

then when I try to replace ( by something else the error occur :

sub("(","",x)

the error is :

'Missing ')''

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Editorial Team · Answer 1 · 2026-06-02T07:14:07+00:00

Editorial Team

You need escape:

> sub("\\(", "@", x)
[1] "abc@def"

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