回答編集履歴
2
修正
answer
CHANGED
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@@ -28,9 +28,8 @@
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28
28
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400
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29
29
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900
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30
30
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EOT;
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31
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-
$patterns = ['/^300$
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31
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+
$patterns = ['/^300$|(?(?=(^\d{1,2})$)\d{1,2}$|^[12][\d]{2}$)/m', '/^[3-9]\d{2}$/m'];
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32
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-
$replace = ['0', '
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32
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+
$replace = ['0', '1'];
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33
33
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$targetText = preg_replace($patterns, $replace, $targetText);
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34
34
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echo $targetText;
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35
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-
```
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35
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+
```
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36
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-
多分、300 も 0 の条件かけるはずだけど、整理できませんでした＾＾；
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1
修正
answer
CHANGED
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@@ -14,11 +14,23 @@
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14
14
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$targetText = preg_replace($patterns, $replace, $targetText);
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15
15
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echo $targetText;
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16
16
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```
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17
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+
**指摘を受けての修正**
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17
18
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```php
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19
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+
<?php
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20
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+
$targetText = <<<EOT
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18
21
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0
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19
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-
0
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20
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-
0
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21
22
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1
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22
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-
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23
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+
11
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23
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-
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24
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+
111
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25
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+
200
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26
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+
300
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27
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+
301
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28
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+
400
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|
29
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+
900
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30
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+
EOT;
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31
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+
$patterns = ['/^300$/m', '/(?(?=(^\d{1,2})$)\d{1,2}$|^[12][\d]{2}$)/m', '/^[3-9]\d{2}$/m'];
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32
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+
$replace = ['0', '0', '1'];
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33
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+
$targetText = preg_replace($patterns, $replace, $targetText);
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34
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+
echo $targetText;
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24
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-
```
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35
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+
```
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36
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+
多分、300 も 0 の条件かけるはずだけど、整理できませんでした＾＾；
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