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2025-10-10 18:00:07 -04:00
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+/*
+	versionを表した数字とdotの文字列か
+
+	セーフ
+		1
+		1.2
+		1.2.3
+		1.2.3.4
+	アウト
+		1.2A
+		其の弐
+*/
+
+function isVersion(arg){
+	return typeof arg==='string' && /^\d(|[0-9.]*\d)$/.test(arg);
+}
+
+export default isVersion;