regionMatches.String: Tests if two string regions are equal

In HenrikBengtsson/R.lang: [R] Class Library - Basic classes

Description

Tests if two string regions are equal.

Usage

## S3 method for class 'String'
regionMatches(this, toffset, other, ooffset, len, ignoreCase=FALSE, ...)

Arguments

toffset	The starting offset of the subregion in this string.
other	The other string.
ooffset	The starting offset of the subregion in the other string.
len	The number of characters to compare.
ignoreCase	If TRUE case is ignored.

Value

Returns TRUE if the specified subregion of this string matches the specified subregion of the other string, FALSE otherwise.

Author(s)

Henrik Bengtsson (http://www.braju.com/R/)

See Also

*compareTo(), *equals(), *equalsIgnoreCase()

Examples

  s1 <- String("Hello world!")
  s2 <- String("Oh, hello there!")
  regionMatches(s1, 1, s2, 5, 5)        # TRUE
  regionMatches(s2, 5, s1, 1, 5)        # TRUE
  regionMatches(s1, 0, s2, 4, 5)        # FALSE
  regionMatches(s1, 0, s2, 4, 5, TRUE)  # TRUE

  s1 <- "Hello world!"
  s2 <- "Oh, hello there!"
  regionMatches(s1, 1, s2, 5, 5)        # TRUE
  regionMatches(s2, 5, s1, 1, 5)        # TRUE
  regionMatches(s1, 0, s2, 4, 5)        # FALSE
  regionMatches(s1, 0, s2, 4, 5, TRUE)  # TRUE

HenrikBengtsson/R.lang documentation built on May 8, 2019, 7:50 p.m.