{"description":"\u5225\u306bgrep\u3058\u3083\u306a\u304f\u3066\u3082\u3044\u3044\u3051\u3069\u3082\u3002 \u6700\u8fd1\u30ab\u30c6\u30b4\u30ea\u304c\u9069\u5f53\u3059\u304e\u308b\u3068\u601d\u3046\u3051\u3069\u6c17\u306b\u3057\u306a\u3044\u3002 . : \u4efb\u610f\u306e\u4e00\u6587\u5b57 * : \u76f4\u524d\u306e\u6b63\u898f\u8868\u73fe\u306e0\u56de\u4ee5\u4e0a\u306e\u7e70\u308a\u8fd4\u3057 '.*' - \u4efb\u610f\u306e\u6587\u5b57\u5217 ^ : \u884c\u982d $ : \u884c\u672b '^$'\u3063\u3066\u3084\u308b\u3068\u7a7a\u884c(\u6539\u884c\u306e\u307f\u306e\u884c)\u304c\u30de\u30c3\u30c1 [ ] : [ ]\u5185\u306e\u6587\u5b57\u306e\u3069\u308c\u304b '[a-z]'\u307f\u305f\u3044\u306b\u7bc4\u56f2\u6307\u5b9a\u3082\u3067\u304d\u308b [^ ] : [ ]\u5185\u306e^\u4ee5\u964d\u306e\u6587\u5b57\u4ee5\u5916 '[^a-z]'\u3068\u3059\u308b\u3068\u82f1\u5c0f\u6587\u5b57\u4ee5\u5916\u306b \u3053\u306e\u8fba\u308a\u307e\u3067\u306f\u307e\u3041\u899a\u3048\u3066\u308b\u306e\u3067\u5927\u4e08\u592b\u3002 ? : \u76f4\u524d\u306e\u6b63\u898f\u8868\u73fe\u304c0\u56de\u304b1\u56de + : \u76f4\u524d\u306e\u6b63\u898f\u8868\u73fe\u306e1\u56de\u4ee5\u4e0a\u306e\u7e70\u308a\u8fd4\u3057 {n} : \u76f4\u524d\u306e\u6b63\u898f\u8868\u73fe\u306en\u56de\u7e70\u308a\u8fd4\u3057 {n,m} : \u76f4\u524d\u306e\u6b63\u2026","image_url":null,"version":"1.0","url":"https://hogem.hatenablog.com/entry/20060507/1146996850","height":"190","provider_name":"Hatena Blog","type":"rich","blog_title":"\u3046\u307e\u3044\u307c\u3046\u3076\u308d\u3050","title":"grep\u3067\u306e\u6b63\u898f\u8868\u73fe\u306e\u4f7f\u3044\u65b9memo","author_name":"hogem","provider_url":"https://hatena.blog","blog_url":"https://hogem.hatenablog.com/","width":"100%","author_url":"https://blog.hatena.ne.jp/hogem/","published":"2006-05-07 19:14:10","categories":["linux","grep"],"html":""}