{"id":1711,"date":"2020-03-16T15:16:47","date_gmt":"2020-03-16T15:16:47","guid":{"rendered":"https:\/\/golangbyexamples.com\/?p=1711"},"modified":"2020-03-16T15:16:55","modified_gmt":"2020-03-16T15:16:55","slug":"replace-all-instances-substring-go","status":"publish","type":"post","link":"https:\/\/golangbyexamples.com\/replace-all-instances-substring-go\/","title":{"rendered":"Replace all instances of a substring with another in Go (Golang)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal ez-toc-light-blue\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/golangbyexamples.com\/replace-all-instances-substring-go\/#Overview\" title=\"Overview\">Overview<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/golangbyexamples.com\/replace-all-instances-substring-go\/#Code\" title=\"Code:\">Code:<\/a><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview\"><\/span><strong>Overview<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"has-medium-font-size\">In GO string are UTF-8 encoded. <strong>strings<\/strong> package of GO provides a <strong>ReplaceAll<\/strong> method that can be used to replace all non-overlapping instances of a given substring with a new substring.  It returns a copy of the string<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Below is the signature of the function. The function will replace all non-overlapping instances of <strong>old<\/strong> with <strong>new<\/strong> in string <strong>s<\/strong>. If <strong>old<\/strong> is empty then it inserts <strong>new<\/strong> between it each valid UTF-8 sequence of bytes in the string <strong>s<\/strong>.<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">func ReplaceAll(s, old, new string) string<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">Let&#8217;s look at the working code<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Code\"><\/span><strong>Code:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\n\nimport (\n    \"fmt\"\n    \"strings\"\n)\n\nfunc main() {\n    res := strings.ReplaceAll(\"abcdabxyabr\", \"ab\", \"12\")\n    fmt.Println(res)\n    \n    res = strings.ReplaceAll(\"abcdabxyabr\", \"\", \"12\")\n    fmt.Println(res)\n}<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">12cd12xy12r\n12a12b12c12d12a12b12x12y12a12b12r12<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents OverviewCode: Overview In GO string are UTF-8 encoded. strings package of GO provides a ReplaceAll method that can be used to replace all non-overlapping instances of a given substring&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[1],"tags":[],"class_list":["post-1711","post","type-post","status-publish","format-standard","hentry","category-tech"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - 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