begins

0th

Percentile

Check Start of Character String

Checks whether a character string begins with a particular prefix.

Keywords
character
Usage
begins(x, firstbit)
Arguments
x
Character string, or vector of character strings, to be tested.
firstbit
A single character string.
Details

This simple wrapper function checks whether (each entry in) x begins with the string firstbit, and returns a logical value or logical vector with one entry for each entry of x. This function is useful mainly for reducing complexity in model formulae.

Value

  • Logical vector of the same length as x.

Aliases
  • begins
Examples
begins(c("Hello", "Goodbye"), "Hell")
  begins("anything", "")
Documentation reproduced from package spatstat, version 1.44-0, License: GPL (>= 2)

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