{"width":"100%","author_url":"https://blog.hatena.ne.jp/baba_s/","title":"\u3010C#\u3011\u6700\u521d\u306b\u898b\u3064\u304b\u3063\u305f\u6587\u5b57\u5217\u3060\u3051\u7f6e\u63db\u3059\u308b string.Replace","height":"190","type":"rich","published":"2023-01-25 13:45:58","provider_name":"Hatena Blog","categories":["C#","C# - \u62e1\u5f35\u30e1\u30bd\u30c3\u30c9"],"provider_url":"https://hatena.blog","image_url":null,"description":"\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 public static string ReplaceFirst ( this string self, string oldValue, string newValue ) { var startIndex = self.IndexOf( oldValue ); if ( startIndex == -1 ) return self; return self .Remove( startIndex, oldValue.Length ) .Insert( startIndex, newValue ) ; } public static string ReplaceFirst (\u2026","blog_url":"https://baba-s.hatenablog.com/","url":"https://baba-s.hatenablog.com/entry/2023/01/25/134558","author_name":"baba_s","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaba-s.hatenablog.com%2Fentry%2F2023%2F01%2F25%2F134558\" title=\"\u3010C#\u3011\u6700\u521d\u306b\u898b\u3064\u304b\u3063\u305f\u6587\u5b57\u5217\u3060\u3051\u7f6e\u63db\u3059\u308b string.Replace - \u30b3\u30ac\u30cd\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u30b3\u30ac\u30cd\u30d6\u30ed\u30b0"}