{"id":3437,"date":"2017-07-20T10:07:00","date_gmt":"2017-07-20T09:07:00","guid":{"rendered":"https:\/\/abcdr.guyader.pro\/?p=3437"},"modified":"2018-04-08T00:02:59","modified_gmt":"2018-04-07T23:02:59","slug":"comment-remplacer-chaine-caracteres","status":"publish","type":"post","link":"https:\/\/thinkr.fr\/abcdr\/comment-remplacer-chaine-caracteres\/","title":{"rendered":"Comment remplacer une cha\u00eene de caract\u00e8res ? string_replace_all(df, &quot;pattern&quot;,&quot;replacement&quot;)"},"content":{"rendered":"<p>Vous avez besoin de <strong>manipuler des cha\u00eene de caract\u00e8res<\/strong> en toute simplicit\u00e9 ? Alors vous allez aimer le package <em>stringr<\/em> !<\/p>\n<p>Comme toutes les fonctions du <em>tidyverse<\/em>, la syntaxe est claire, rien que dans le nom. Pour remplacer toutes les cha\u00eenes de caract\u00e8res, on va utiliser <code>str_replace_all<\/code> (string, replace, all), tout simplement.<\/p>\n<p>Autre r\u00e8gle suivie par cette fonction : le premier argument est l&rsquo;objet qui contient la cha\u00eene. Vous devrez coder : str_replace_all(df, pattern, replacement). Par exemple :<\/p>\n<pre><code>\n  library(stringr)\n  str_replace_all(\"Une cha\u00eene de caract\u00e8res\", pattern = \"Une\", replacement = \"1\")\n  [1] \"1 cha\u00eene de caract\u00e8res\"\n<\/code><\/pre>\n<p>\u00c0 noter : l&rsquo;\u00e9quivalent <code>str_replace<\/code>, qui ne remplacera que le premier \u00e9l\u00e9ment qu&rsquo;il rencontrera.<\/p>\n<pre><code>\n  str_replace(\"Une cha\u00eene de caract\u00e8res et une autre\", pattern = \"Une\", replacement = \"1\")\n  [1] \"1 cha\u00eene de caract\u00e8res et une autre\"\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Vous avez besoin de manipuler des cha\u00eene de caract\u00e8res en toute simplicit\u00e9 ? Alors vous allez aimer le package stringr ! Comme toutes les fonctions du tidyverse, la syntaxe est claire, rien que dans le nom. Pour remplacer toutes les cha\u00eenes de caract\u00e8res, on va utiliser str_replace_all (string, replace, all), tout simplement. Autre r\u00e8gle suivie par cette fonction : le premier argument est l&rsquo;objet qui contient la cha\u00eene. Vous devrez coder : str_replace_all(df, pattern, replacement). Par exemple : library(stringr) str_replace_all(\u00ab\u00a0Une cha\u00eene de caract\u00e8res\u00a0\u00bb, pattern = \u00ab\u00a0Une\u00a0\u00bb, replacement = \u00ab\u00a01\u00a0\u00bb) [1] \u00ab\u00a01 cha\u00eene de caract\u00e8res\u00a0\u00bb \u00c0 noter : l&rsquo;\u00e9quivalent str_replace, qui ne remplacera que le premier<a class=\"more-link\" href=\"https:\/\/thinkr.fr\/abcdr\/comment-remplacer-chaine-caracteres\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"twitter_399453572_399453572":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12,22],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-colin","4":"post-3437","6":"format-standard","7":"category-manipulation-de-donnees","8":"category-tidyverse"},"acf":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p9O7Sx-Tr","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/comments?post=3437"}],"version-history":[{"count":2,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3437\/revisions"}],"predecessor-version":[{"id":4335,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/posts\/3437\/revisions\/4335"}],"wp:attachment":[{"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/media?parent=3437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/categories?post=3437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thinkr.fr\/abcdr\/wp-json\/wp\/v2\/tags?post=3437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}