回答編集履歴
1
あ
test
CHANGED
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@@ -2,7 +2,7 @@
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2
2
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3
3
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<?php
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4
4
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5
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-
$alphanumdashunder = "/^[-_a-zA-Z0-9]{3,1
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5
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+
$alphanumdashunder = "/^[-_a-zA-Z0-9]{3,15}$/";
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6
6
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7
7
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$containsAlphaNum = "/.*[0-9a-zA-Z].*/";
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8
8
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