{"id":484,"date":"2021-09-17T15:22:52","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"http:\/\/swift.tecc0.com\/?p=484"},"modified":"2021-09-17T15:22:52","modified_gmt":"1970-01-01T00:00:00","slug":"post-484","status":"publish","type":"post","link":"https:\/\/swift.tecc0.com\/?p=484","title":{"rendered":"Swift\u3067\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u8abf\u3079\u308b\u65b9\u6cd5 &#8211; hasPrefix (startsWith)"},"content":{"rendered":"<p>Swift\u3067\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9(\u301c\u304b\u3089\u59cb\u307e\u308b)\u3092\u8abf\u3079\u308b\u306b\u306f <strong>hasPrefix<\/strong> \u3092\u4f7f\u3046\u3002<\/p>\n<p>(Java\u3067\u3044\u3046<strong>startsWith<\/strong>\u3067\u3042\u308b<\/p>\n<p>&nbsp;<\/p>\n<h3>Swift\u3067\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u8abf\u3079\u308b<\/h3>\n<pre class=\"lang:swift decode:true \">let url = \"https:\/\/tecc0.com\"\r\n\r\nprint(url.hasPrefix(\"h\")) \/\/ true\r\nprint(url.hasPrefix(\"http\")) \/\/ true\r\nprint(url.hasPrefix(\"hoge\")) \/\/ false\r\nprint(url.hasPrefix(\"Http\")) \/\/ false\r\n\/\/ \u3069\u3061\u3089\u3082\u5927\u6587\u5b57\u306b\u3059\u308b\r\nprint(url.uppercased().hasPrefix(\"Http\".uppercased())) \/\/ true<\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u3001\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u304chttp\u3060\u3063\u305f\u5834\u5408\u306b\u306ftrue\u304c\u8fd4\u3063\u3066\u304f\u308b\u3002<\/p>\n<p>\u6700\u7d42\u884c\u304b\u3089\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u306f\u533a\u5225\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u3092\u7121\u8996\u3057\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/swift.tecc0.com\/?p=132\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308b\u00a0<span style=\"color: #ff0000;\">uppercaseString\u306a\u3069\u3092\u4f7f\u3044\u5927\u6587\u5b57\u306b\u7d71\u4e00\u3059\u308b<\/span>\u306a\u3069\u306e\u65b9\u6cd5\u304c\u3042\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Swift\u3067\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9(\u301c\u304b\u3089\u59cb\u307e\u308b)\u3092\u8abf\u3079\u308b\u306b\u306f hasPrefix \u3092\u4f7f\u3046\u3002 (Java\u3067\u3044\u3046startsWith\u3067\u3042\u308b &nbsp; Swift\u3067\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u8abf\u3079\u308b let url = &#8220;https:\/\/t&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/484"}],"collection":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=484"}],"version-history":[{"count":3,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/484\/revisions"}],"predecessor-version":[{"id":714,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/484\/revisions\/714"}],"wp:attachment":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}