{"provider_name":"Hatena Blog","height":"190","type":"rich","description":"\u4ee5\u4e0b\u306b\u3001\u57fa\u672c\u7684\u306a\u6b63\u898f\u8868\u73fe\u30d1\u30bf\u30fc\u30f3\u3092\u307e\u3068\u3081\u307e\u3059\u3002 \u4e3b\u306a\u6b63\u898f\u8868\u73fe\u30d1\u30bf\u30fc\u30f3 \u30d1\u30bf\u30fc\u30f3 \u6982\u8981 [xyz] x\u3001y\u3001z\u3044\u305a\u308c\u304b [^xyz] x\u3001y\u3001z\u4ee5\u5916\u306e\u6587\u5b57 [a-zA-Z] a\uff5ez\u3001\u307e\u305f\u306fA\uff5eZ X? X\u304c0\u307e\u305f\u306f1\u56de\u767a\u751f X* X\u304c0\u56de\u4ee5\u4e0a\u767a\u751f X+ X\u304c1\u56de\u4ee5\u4e0a\u767a\u751f X{n} X\u304cn\u56de\u767a\u751f X{n,} X\u304cn\u56de\u4ee5\u4e0a\u767a\u751f X{n,m} X\u304cn\uff5em\u56de\u767a\u751f . \u4efb\u610f\u306e\u6587\u5b57 \u00a5d \u6570\u5b57\uff08[0-9]\u3068\u540c\u3058\uff09 \u00a5D \u6570\u5b57\u4ee5\u5916\uff08[^0-9]\u3068\u540c\u3058\uff09 \u00a5s \u7a7a\u767d\uff08[ \\t\\n\\x0B\\f\\r]\u3068\u540c\u3058\uff09 \u00a5S \u7a7a\u767d\u4ee5\u5916\uff08[^\\s]\u3068\u540c\u3058\uff09 \u00a5w \u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3001\u6570\u5b57\u3001\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\uff08[a-zA-Z_0-9]\u3068\u2026","url":"https://tenshoku.mynavi.jp/engineer/guide/articles/java-code/category_expression/01","image_url":null,"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/andengineer/","title":"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011\u6b63\u898f\u8868\u73fe_\u2460\u4e3b\u306a\u6b63\u898f\u8868\u73fe\u30d1\u30bf\u30fc\u30f3","published":"2026-06-30 15:50:19","blog_url":"https://tenshoku.mynavi.jp/engineer/guide/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftenshoku.mynavi.jp%2Fengineer%2Fguide%2Farticles%2Fjava-code%2Fcategory_expression%2F01\" title=\"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011\u6b63\u898f\u8868\u73fe_\u2460\u4e3b\u306a\u6b63\u898f\u8868\u73fe\u30d1\u30bf\u30fc\u30f3 - \u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_title":"\u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002","author_name":"andengineer","width":"100%","categories":["\u8a00\u8a9e\u30fb\u958b\u767a","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e","Java"]}