firstmatch: Firstmatch

In exams.forge: Support for Compiling Examination Tasks using the 'exams' Package

Firstmatch

Description

firstmatch seeks matches for the elements of its first argument among those of its second. For further details please check base::charmatch(). charmatch returns a zero if multiple matches are found, whereas firstmatch returns the first partial match if multiple matches are found.

Usage

firstmatch(x, table, nomatch = NA_integer_)

Arguments

x	character: the values to be matched; converted to a character vector if necessary
table	character: the values to be matched against; converted to a character vector if necessary
nomatch	integer: the value to be returned at non-matching positions (default: NA_integer_)

Value

An integer.

Examples

firstmatch("d", c("chisq", "cauchy"))
charmatch("c", c("chisq", "cauchy"))
firstmatch("c", c("chisq", "cauchy"))
firstmatch("ca", c("chisq", "cauchy"))

exams.forge documentation built on Aug. 21, 2025, 5:41 p.m.