Sha256: 9053374669900366ecb6ac23b3c5b7c82e2948fb1c53305f51eab4348f89acb2
Contents?: true
Size: 757 Bytes
Versions: 10
Compression:
Stored size: 757 Bytes
Contents
class String
# Returns _n_ characters of the string. If _n_ is positive
# the characters are from the beginning of the string.
# If _n_ is negative from the end of the string.
#
# str = "this is text"
#
# str.nchar(4) #=> "this"
# str.nchar(-4) #=> "text"
#
# Alternatively a replacement string can be given, which will
# replace the _n_ characters.
#
# str.nchar(4, 'that') #=> "that is text"
#
# The original string remains unaffected.
#
# str #=> "this is text"
#
def nchar(n, replacement=nil)
if replacement
s = self.dup
n > 0 ? (s[0...n] = replacement) : (s[n..-1] = replacement)
s
else
n > 0 ? self[0...n] : self[n..-1]
end
end
end
Version data entries
10 entries across 9 versions & 2 rubygems