do (version 1.4.0.0)

mid: Truncate Characters from the Inside

Description

Truncate Characters from the Inside

Usage

mid(x, start, n)

Arguments

x

can be number, strings, verctors, dataframe or matrix.

start

starting position

n

length, n can be less than zero

Value

substring

Examples

# NOT RUN {
mid("abcd",3,1)
mid(c("abc","gjh"),2,2)
df = data.frame(
  a = c(123,234,456),
  b = c("abc","bcd","hjg")
)
mid(df,2,1)
mid(df,2,-2)
# }

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