回答編集履歴
4
加筆修正
test
CHANGED
@@ -158,7 +158,7 @@
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158
158
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159
159
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$replacements = array('A', 'B', 'A', 'A');
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160
160
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161
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-
$patterns_2nd = array('/A/', '/B/');
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161
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+
$patterns_2nd = array('/^A$/m', '/^B$/m');
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162
162
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163
163
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$replacements_2nd = array('0', '1');
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164
164
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3
加筆修正
test
CHANGED
@@ -154,7 +154,7 @@
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154
154
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155
155
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156
156
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157
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-
$patterns = array("/[12][0-9]{2}/", "/[3-9][0-9]{2}/", "/[1-9][0-9]/", "/[0-9]/");
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157
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+
$patterns = array("/^[12][0-9]{2}$/m", "/^[3-9][0-9]{2}$/m", "/^[1-9][0-9]$/m", "/^[0-9]$/m");
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158
158
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159
159
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$replacements = array('A', 'B', 'A', 'A');
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160
160
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@@ -195,3 +195,9 @@
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195
195
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> 1
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196
196
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197
197
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> 1
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198
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+
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199
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+
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200
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+
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201
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+
[PHP: 正規表現パターンに使用可能な修飾子 - Manual](http://php.net/manual/ja/reference.pcre.pattern.modifiers.php)
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202
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+
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203
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+
`/m`で複数行データでもヒットするようになります。
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2
加筆修正
test
CHANGED
@@ -113,3 +113,85 @@
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113
113
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> 1
|
114
114
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|
115
115
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> 1
|
116
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+
|
117
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+
|
118
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+
|
119
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+
`preg_replace()`使ってみると
|
120
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+
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121
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+
|
122
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+
|
123
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+
```php
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124
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+
|
125
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+
<?php
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126
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+
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127
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+
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128
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+
|
129
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+
$targetText = <<<EOT
|
130
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+
|
131
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+
0
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132
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+
|
133
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+
1
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134
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+
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135
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+
2
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136
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+
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137
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+
3
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138
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+
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139
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+
10
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140
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+
|
141
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+
20
|
142
|
+
|
143
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+
30
|
144
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+
|
145
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+
100
|
146
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+
|
147
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+
200
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148
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+
|
149
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+
300
|
150
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+
|
151
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+
900
|
152
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+
|
153
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+
EOT;
|
154
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+
|
155
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+
|
156
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+
|
157
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+
$patterns = array("/[12][0-9]{2}/", "/[3-9][0-9]{2}/", "/[1-9][0-9]/", "/[0-9]/");
|
158
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+
|
159
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+
$replacements = array('A', 'B', 'A', 'A');
|
160
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+
|
161
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+
$patterns_2nd = array('/A/', '/B/');
|
162
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+
|
163
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+
$replacements_2nd = array('0', '1');
|
164
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+
|
165
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+
|
166
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+
|
167
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+
$targetText = preg_replace($patterns, $replacements, $targetText);
|
168
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+
|
169
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+
$targetText = preg_replace($patterns_2nd, $replacements_2nd, $targetText);
|
170
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+
|
171
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+
|
172
|
+
|
173
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+
echo $targetText;
|
174
|
+
|
175
|
+
```
|
176
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+
|
177
|
+
> 0
|
178
|
+
|
179
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+
> 0
|
180
|
+
|
181
|
+
> 0
|
182
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+
|
183
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+
> 0
|
184
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+
|
185
|
+
> 0
|
186
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+
|
187
|
+
> 0
|
188
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+
|
189
|
+
> 0
|
190
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+
|
191
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+
> 0
|
192
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+
|
193
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+
> 0
|
194
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+
|
195
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+
> 1
|
196
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+
|
197
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+
> 1
|
1
加筆修正
test
CHANGED
@@ -35,3 +35,81 @@
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35
35
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}
|
36
36
|
|
37
37
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```
|
38
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+
|
39
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+
で、ちゃんと`preg_match()`を使うと
|
40
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+
|
41
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+
```php
|
42
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+
|
43
|
+
<?php
|
44
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+
|
45
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+
|
46
|
+
|
47
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+
$targetText = <<<EOT
|
48
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+
|
49
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+
0
|
50
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+
|
51
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+
1
|
52
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+
|
53
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+
2
|
54
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+
|
55
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+
3
|
56
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+
|
57
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+
10
|
58
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+
|
59
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+
20
|
60
|
+
|
61
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+
30
|
62
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+
|
63
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+
100
|
64
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+
|
65
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+
200
|
66
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+
|
67
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+
300
|
68
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+
|
69
|
+
900
|
70
|
+
|
71
|
+
EOT;
|
72
|
+
|
73
|
+
|
74
|
+
|
75
|
+
$data = explode("\n", $targetText);
|
76
|
+
|
77
|
+
|
78
|
+
|
79
|
+
foreach ($data as $val) {
|
80
|
+
|
81
|
+
if (preg_match("/^[012][0-9]{0,2}$/", $val) || preg_match("/^[3-9][0-9]?$/", $val) ) {
|
82
|
+
|
83
|
+
echo '0' . "\n";
|
84
|
+
|
85
|
+
} else {
|
86
|
+
|
87
|
+
echo '1' . "\n";
|
88
|
+
|
89
|
+
}
|
90
|
+
|
91
|
+
}
|
92
|
+
|
93
|
+
```
|
94
|
+
|
95
|
+
> 0
|
96
|
+
|
97
|
+
> 0
|
98
|
+
|
99
|
+
> 0
|
100
|
+
|
101
|
+
> 0
|
102
|
+
|
103
|
+
> 0
|
104
|
+
|
105
|
+
> 0
|
106
|
+
|
107
|
+
> 0
|
108
|
+
|
109
|
+
> 0
|
110
|
+
|
111
|
+
> 0
|
112
|
+
|
113
|
+
> 1
|
114
|
+
|
115
|
+
> 1
|