[aA0-zZ9] means
a or
A or anything from
0 to
z or
Z or
9 (see below).
You probably mean
[a-zA-Z0-9] .
The
[\s\.\_] part might be better as
[ ._] . And to be clear when you say "space" do you mean "any whitespace" or only an actual SPACE?
Have a look at
RegexTester[
^], and also follow the link to Expresso.
MSDN:
http://msdn.microsoft.com/en-us/library/az24scfc(v=vs.110).aspx[
^]
"anything from
0 to
z"
48 060 30 00110000 0
49 061 31 00110001 1
50 062 32 00110010 2
51 063 33 00110011 3
52 064 34 00110100 4
53 065 35 00110101 5
54 066 36 00110110 6
55 067 37 00110111 7
56 070 38 00111000 8
57 071 39 00111001 9
58 072 3A 00111010 :
59 073 3B 00111011 ;
60 074 3C 00111100 <
61 075 3D 00111101 =
62 076 3E 00111110 >
63 077 3F 00111111 ?
64 100 40 01000000 @ <---
65 101 41 01000001 A
66 102 42 01000010 B
67 103 43 01000011 C
68 104 44 01000100 D
69 105 45 01000101 E
70 106 46 01000110 F
71 107 47 01000111 G
72 110 48 01001000 H
73 111 49 01001001 I
74 112 4A 01001010 J
75 113 4B 01001011 K
76 114 4C 01001100 L
77 115 4D 01001101 M
78 116 4E 01001110 N
79 117 4F 01001111 O
80 120 50 01010000 P
81 121 51 01010001 Q
82 122 52 01010010 R
83 123 53 01010011 S
84 124 54 01010100 T
85 125 55 01010101 U
86 126 56 01010110 V
87 127 57 01010111 W
88 130 58 01011000 X
89 131 59 01011001 Y
90 132 5A 01011010 Z
91 133 5B 01011011 [
92 134 5C 01011100 \
93 135 5D 01011101 ]
94 136 5E 01011110 ^
95 137 5F 01011111 _
96 140 60 01100000 `
97 141 61 01100001 a
98 142 62 01100010 b
99 143 63 01100011 c
100 144 64 01100100 d
101 145 65 01100101 e
102 146 66 01100110 f
103 147 67 01100111 g
104 150 68 01101000 h
105 151 69 01101001 i
106 152 6A 01101010 j
107 153 6B 01101011 k
108 154 6C 01101100 l
109 155 6D 01101101 m
110 156 6E 01101110 n
111 157 6F 01101111 o
112 160 70 01110000 p
113 161 71 01110001 q
114 162 72 01110010 r
115 163 73 01110011 s
116 164 74 01110100 t
117 165 75 01110101 u
118 166 76 01110110 v
119 167 77 01110111 w
120 170 78 01111000 x
121 171 79 01111001 y
122 172 7A 01111010 z
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