{"id":4116,"date":"2022-08-21T13:12:55","date_gmt":"2022-08-21T07:42:55","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-make-function-that-validates-first-and-last-name-input-kotlin\/"},"modified":"2022-08-21T13:12:55","modified_gmt":"2022-08-21T07:42:55","slug":"solved-how-to-make-function-that-validates-first-and-last-name-input-kotlin","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-make-function-that-validates-first-and-last-name-input-kotlin\/","title":{"rendered":"[Solved] How to make function that validates first and last name input &#8211; Kotlin"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-65242613\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"65242613\" data-parentid=\"65242579\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>You should split the string on spaces then check if the first letter is capitalized for each one:<\/p>\n<pre class=\"lang-kotlin prettyprint-override\"><code>fun checkName(name: String): Boolean {\n    val names = name.split(' ')\n    return names.size == 2 &amp;&amp; names.all { it[0].isUpperCase() }\n}\n<\/code><\/pre>\n<p>If you really can&#8217;t use <code>split<\/code> or <code>indexOf<\/code> for some reason, then just use a loop:<\/p>\n<pre class=\"lang-kotlin prettyprint-override\"><code>fun checkName(name: String): Boolean {\n    if (name.length == 0 || !name[0].isUpperCase()) {\n        return false\n    }\n    var spaces = 0\n    for (i in 0 until name.length) {\n        if (name[i] == ' ') {\n            spaces += 1\n            if (spaces &gt; 1 || !name[i + 1].isUpperCase()) {\n                return false\n            }\n        }\n    }\n    return true\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">5<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to make function that validates first and last name input &#8211; Kotlin <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You should split the string on spaces then check if the first letter is capitalized for each one: fun checkName(name: String): Boolean { val names = name.split(&#8216; &#8216;) return names.size == 2 &amp;&amp; names.all { it[0].isUpperCase() } } If you really can&#8217;t use split or indexOf for some reason, then just use a loop: &#8230; <a title=\"[Solved] How to make function that validates first and last name input &#8211; Kotlin\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-make-function-that-validates-first-and-last-name-input-kotlin\/\" aria-label=\"More on [Solved] How to make function that validates first and last name input &#8211; Kotlin\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[413,600],"class_list":["post-4116","post","type-post","status-publish","format-standard","hentry","category-solved","tag-function","tag-kotlin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to make function that validates first and last name input - Kotlin - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-make-function-that-validates-first-and-last-name-input-kotlin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to make function that validates first and last name input - Kotlin - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You should split the string on spaces then check if the first letter is capitalized for each one: fun checkName(name: String): Boolean { val names = name.split(&#039; &#039;) return names.size == 2 &amp;&amp; names.all { it[0].isUpperCase() } } If you really can&#8217;t use split or indexOf for some reason, then just use a loop: ... 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