回答編集履歴
1
chousei
test
CHANGED
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@@ -6,7 +6,23 @@
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6
6
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7
7
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$pattern="/\W/";
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8
8
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9
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-
if(!preg_match($pattern,$str
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9
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+
if(!preg_match($pattern,$str)){
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10
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+
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11
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+
print "OK";
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12
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+
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13
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}
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14
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+
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15
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+
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16
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+
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17
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+
```
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18
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+
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19
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+
もしくは
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20
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+
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21
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+
```
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22
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+
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23
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+
$pattern="/\A\w+\z/";
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24
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+
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25
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+
if(preg_match($pattern,$str)){
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10
26
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11
27
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print "OK";
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12
28
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