1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
x = /\A\/(?i-:(say|rails_info|rails\/\/info))(?:\/?\Z|\/([^\/.?]+)(?:\/?\Z|\/([^\/.?]+)\/?))\Z/
puts "x.inspect"
puts x.inspect
puts "x.to_s"
puts x.to_s
puts "escape(x.to_s)"
puts Regexp.escape(x.to_s)
puts "escape(x.inspect)"
puts Regexp.escape(x.inspect)
puts "new(x)"
puts Regexp.new(x)
puts "new(x.to_s)"
puts Regexp.new(x.to_s)
puts "new(x.inspect)"
puts Regexp.new(x.inspect)
class Regexp
alias :ts :to_s
alias :i :initialize
def to_s
x = ts
puts "to_s #{ts}"
x
end
def initialize *s
puts "init: #{s.inspect}"
i *s
end
end
s = "~!@$# %^&*()_+1-2=[x]{1};':\|\\ \\a\\b\\c\",./<>?"
puts "- 1 ------"
z = Regexp.new(s)
puts "- 2 ------"
puts z
puts "- 3 ------"
puts Regexp.escape(s)
puts "- 4 ------"
class R < Regexp
end
u = R.union("/", "*", "/", /./, /\//)
puts "- 5 ------"
puts u
puts u.class
puts "- 6 ------"
u = Regexp.new('/\/[/]')
puts u.to_s
puts "- 7 ------"
u = Regexp.new('/\/[/]')
puts u.inspect
|
