Sha256: 2bd263104c4bf7b87d91306fa21dd563fe9794c2acb20914b689caa568e3bb97
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Versions: 8
Compression:
Stored size: 1.96 KB
Contents
class Regexp
NUMERIC = Regexp.union(%r{^-?\d{1,3}(,\d{3}|\d+)*(\.\d+)*$},
%r{^\(?\d{1,3}(,\d{3}|\d+)*(\.\d+)*\)?$})
end
class String
def to_boolean
return true if self == true || self =~ (/(true|t|yes|y|1)$/i)
return false if self == false || self.blank? || self =~ (/(false|f|no|n|0)$/i)
raise ArgumentError.new("invalid value for Boolean: \"#{self}\"")
end
# Like #index but returns a Range.
#
# "This is a test!".range('test') #=> (10..13)
#
# CREDIT: Trans
def range(pattern, offset=0)
unless Regexp === pattern
pattern = Regexp.new(Regexp.escape(pattern.to_s))
end
string = self[offset..-1]
if md = pattern.match(string)
return (md.begin(0)+offset)..(md.end(0)+offset-1)
end
nil
end
# Like #index_all but returns an array of Ranges.
#
# "abc123abc123".range_all('abc') #=> [0..2, 6..8]
#
# TODO: Add offset ?
#
# CREDIT: Trans
def range_all(pattern, reuse=false)
r = []; i = 0
while i < self.length
rng = range(pattern, i)
if rng
r << rng
if reuse
i +=1
else
i = rng.end + 1
end
else
break
end
end
r.uniq
end
# Returns an array of ranges mapping
# the characters per line.
#
# "this\nis\na\ntest".range_of_line
# #=> [0..4, 5..7, 8..9, 10..13]
#
# CREDIT: Trans
def range_of_line
offset=0; charmap = []
each_line do |line|
charmap << (offset..(offset + line.length - 1))
offset += line.length
end
charmap
end
def numeric?
match(Regexp::NUMERIC) != nil
end
def integer?
begin
Integer(self)
self
rescue ArgumentError => e
nil
end
end
def date?
begin
d = Date.parse(self)
rescue ArgumentError => e
nil
end
end
def ssn?
if (integer? && length == 9)
self
elsif ((self =~ /[0-9]{3}-[0-9]{2}-[0-9]{4}/ ) == 0)
self.gsub('-','')
else
nil
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems