{"id":4174,"date":"2023-07-13T02:42:27","date_gmt":"2023-07-13T02:42:27","guid":{"rendered":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/"},"modified":"2023-07-13T02:42:27","modified_gmt":"2023-07-13T02:42:27","slug":"r-extrai-string-apos-caractere","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/","title":{"rendered":"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar os seguintes m\u00e9todos para extrair uma string ap\u00f3s um caractere espec\u00edfico em R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: Extraia string ap\u00f3s caracteres espec\u00edficos usando Base R<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sub(' <span style=\"color: #ff0000;\">.*the<\/span> ', '', my_string)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: extrair string ap\u00f3s caracteres espec\u00edficos usando stringr<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (stringr)\n\nstr_replace(my_string, ' <span style=\"color: #ff0000;\">(.*?)the(.*?)<\/span> ', ' <span style=\"color: #ff0000;\">\\\\1<\/span> ')\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ambos os exemplos extraem a string ap\u00f3s o padr\u00e3o \u201cthe\u201d em <strong>my_string<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada m\u00e9todo na pr\u00e1tica com o seguinte quadro de dados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('theMavs', 'theHeat', 'theNets', 'theRockets'),\n                 dots=c(114, 135, 119, 140))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n        team points\n1 theMavs 114\n2 theHeat 135\n3 theNets 119\n4 theRockets 140\n<\/strong><\/span><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 1: Extraia uma string ap\u00f3s caracteres espec\u00edficos usando Base R<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como extrair a string ap\u00f3s &#8220;the&#8221; para cada linha na coluna da <strong>equipe<\/strong> do quadro de dados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create new column that extracts string after \"the\" in team column\n<\/span>df$team_name &lt;- sub(' <span style=\"color: #ff0000;\">.*the<\/span> ', '', df$team)\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n        team points team_name\n1 theMavs 114 Mavs\n2 theHeat 135 Heat\n3 theNets 119 Nets\n4 theRockets 140 Rockets<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que a nova coluna chamada <strong>team_name<\/strong> cont\u00e9m a string ap\u00f3s &#8220;the&#8221; para cada linha na coluna da <strong>equipe<\/strong> no quadro de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Relacionado<\/strong> : <a href=\"https:\/\/statorials.org\/pt\/subfuncao-em-r\/\" target=\"_blank\" rel=\"noopener\">Uma introdu\u00e7\u00e3o ao sub() em R<\/a><\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 2: Extraia uma string ap\u00f3s caracteres espec\u00edficos usando o pacote stringr<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como extrair a string ap\u00f3s &#8220;the&#8221; para cada linha na coluna <strong>team<\/strong> do quadro de dados usando a fun\u00e7\u00e3o <strong>str_replace()<\/strong> do pacote <strong>stringr<\/strong> em R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (stringr)<\/span>\n\n#create new column that extracts string after \"the\" in team column\n<\/span>df$team_name &lt;- str_replace(df$team, ' <span style=\"color: #ff0000;\">(.*?)the(.*?)', '\\\\1<\/span> ')\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n           team points team_name\n1 Mavs pro team 114 Mavs\n2 team Heat pro 135 Heat\n3 Nets pro team 119 Nets<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que a nova coluna chamada <strong>team_name<\/strong> cont\u00e9m a string ap\u00f3s &#8220;the&#8221; para cada linha na coluna da <strong>equipe<\/strong> no quadro de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Isso corresponde aos resultados do uso da fun\u00e7\u00e3o <strong>sub()<\/strong> na base R.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras tarefas comuns em R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/r-selecione-colunas-contendo-string\/\" target=\"_blank\" rel=\"noopener\">Como selecionar colunas contendo uma string espec\u00edfica em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/r-remover-caractere-da-string\/\" target=\"_blank\" rel=\"noopener\">Como remover caracteres de uma string em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/r-procure-por-caractere-em-string\/\" target=\"_blank\" rel=\"noopener\">Como encontrar a localiza\u00e7\u00e3o dos caracteres em uma string em R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar os seguintes m\u00e9todos para extrair uma string ap\u00f3s um caractere espec\u00edfico em R: M\u00e9todo 1: Extraia string ap\u00f3s caracteres espec\u00edficos usando Base R sub(&#8216; .*the &#8216;, &#8221;, my_string) M\u00e9todo 2: extrair string ap\u00f3s caracteres espec\u00edficos usando stringr library (stringr) str_replace(my_string, &#8216; (.*?)the(.*?) &#8216;, &#8216; \\\\1 &#8216;) Ambos os exemplos extraem a string [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-4174","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como extrair uma string ap\u00f3s um caractere espec\u00edfico em R - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como extrair uma string ap\u00f3s um caractere espec\u00edfico em R, com v\u00e1rios exemplos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em R - Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como extrair uma string ap\u00f3s um caractere espec\u00edfico em R, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-13T02:42:27+00:00\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/\",\"url\":\"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/\",\"name\":\"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em R - Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-13T02:42:27+00:00\",\"dateModified\":\"2023-07-13T02:42:27+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como extrair uma string ap\u00f3s um caractere espec\u00edfico em R, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em r\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais\",\"sameAs\":[\"https:\/\/statorials.org\/pt\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em R - Estatoriais","description":"Este tutorial explica como extrair uma string ap\u00f3s um caractere espec\u00edfico em R, com v\u00e1rios exemplos.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/","og_locale":"pt_PT","og_type":"article","og_title":"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em R - Estatoriais","og_description":"Este tutorial explica como extrair uma string ap\u00f3s um caractere espec\u00edfico em R, com v\u00e1rios exemplos.","og_url":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/","og_site_name":"Statorials","article_published_time":"2023-07-13T02:42:27+00:00","author":"Dr. benjamim anderson","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Dr. benjamim anderson","Tempo estimado de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/","url":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/","name":"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em R - Estatoriais","isPartOf":{"@id":"https:\/\/statorials.org\/pt\/#website"},"datePublished":"2023-07-13T02:42:27+00:00","dateModified":"2023-07-13T02:42:27+00:00","author":{"@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666"},"description":"Este tutorial explica como extrair uma string ap\u00f3s um caractere espec\u00edfico em R, com v\u00e1rios exemplos.","breadcrumb":{"@id":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pt\/r-extrai-string-apos-caractere\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Lar","item":"https:\/\/statorials.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Como extrair uma string ap\u00f3s um caractere espec\u00edfico em r"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/pt\/#website","url":"https:\/\/statorials.org\/pt\/","name":"Statorials","description":"O seu guia para a literacia estat\u00edstica!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/pt\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pt-PT"},{"@type":"Person","@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666","name":"Dr. benjamim anderson","image":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Dr. benjamim anderson"},"description":"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais","sameAs":["https:\/\/statorials.org\/pt"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/4174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/comments?post=4174"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/4174\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/media?parent=4174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/categories?post=4174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/tags?post=4174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}