{"id":21650,"date":"2022-11-14T15:29:58","date_gmt":"2022-11-14T09:59:58","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-match-a-character-in-string-and-add-characters-before-and-after-matched-string-using-r-closed\/"},"modified":"2022-11-14T15:29:58","modified_gmt":"2022-11-14T09:59:58","slug":"solved-match-a-character-in-string-and-add-characters-before-and-after-matched-string-using-r-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-match-a-character-in-string-and-add-characters-before-and-after-matched-string-using-r-closed\/","title":{"rendered":"[Solved] Match a character in string and add characters before and after matched string using R [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-47587268\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"47587268\" data-parentid=\"47584864\" data-score=\"2\" 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>I modified the code to include the strings in single quotes. (R requires single or double quotes for strings. I used single quotes so as not to have to escape the double quotes.)<\/p>\n<pre><code>Before &lt;- 'kzyFw4hw8EOC\/655'\nAfter &lt;- 'kzyFw4hw8EOC\"https:\/\/stackoverflow.com\/\"655'\n<\/code><\/pre>\n<p>Using base R:<\/p>\n<pre><code>gsub.method &lt;- gsub(\"https:\/\/stackoverflow.com\/\", '\"https:\/\/stackoverflow.com\/\"', Before)\ngsub.method == After\n# [1] TRUE\n<\/code><\/pre>\n<p>or using the package <code>stringr<\/code> from the <code>tidydverse<\/code>: <\/p>\n<pre><code>library(stringr)\nstringr.method &lt;- str_replace(Before, \"https:\/\/stackoverflow.com\/\", '\"https:\/\/stackoverflow.com\/\"')\nstringr.method == After\n# [1] TRUE\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Match a character in string and add characters before and after matched string using R [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I modified the code to include the strings in single quotes. (R requires single or double quotes for strings. I used single quotes so as not to have to escape the double quotes.) Before &lt;- &#8216;kzyFw4hw8EOC\/655&#8217; After &lt;- &#8216;kzyFw4hw8EOC&#8221;https:\/\/stackoverflow.com\/&#8221;655&#8217; Using base R: gsub.method &lt;- gsub(&#8220;https:\/\/stackoverflow.com\/&#8221;, &#8216;&#8221;https:\/\/stackoverflow.com\/&#8221;&#8216;, Before) gsub.method == After # [1] TRUE or &#8230; <a title=\"[Solved] Match a character in string and add characters before and after matched string using R [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-match-a-character-in-string-and-add-characters-before-and-after-matched-string-using-r-closed\/\" aria-label=\"More on [Solved] Match a character in string and add characters before and after matched string using R [closed]\">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":[2499,321,347],"class_list":["post-21650","post","type-post","status-publish","format-standard","hentry","category-solved","tag-gsub","tag-r","tag-regex"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Match a character in string and add characters before and after matched string using R [closed] - 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-match-a-character-in-string-and-add-characters-before-and-after-matched-string-using-r-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Match a character in string and add characters before and after matched string using R [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I modified the code to include the strings in single quotes. (R requires single or double quotes for strings. I used single quotes so as not to have to escape the double quotes.) Before &lt;- &#039;kzyFw4hw8EOC\/655&#039; After &lt;- &#039;kzyFw4hw8EOC&quot;https:\/\/stackoverflow.com\/&quot;655&#039; Using base R: gsub.method &lt;- gsub(&quot;https:\/\/stackoverflow.com\/&quot;, &#039;&quot;https:\/\/stackoverflow.com\/&quot;&#039;, Before) gsub.method == After # [1] TRUE or ... 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