{"id":5397,"date":"2022-08-28T12:11:04","date_gmt":"2022-08-28T06:41:04","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/"},"modified":"2022-08-28T12:11:04","modified_gmt":"2022-08-28T06:41:04","slug":"solved-inserting-and-removing-a-character-from-a-string","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/","title":{"rendered":"[Solved] Inserting and removing a character from a string"},"content":{"rendered":"

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Adding characters<\/h3>\n
\"customer\" <> \"s\"\n<\/code><\/pre>\n
Removing characters<\/h3>\n
Elixir idiomatic:<\/p>\n
String.trim_trailing(\"users\", \"s\")\n#\u21d2\u00a0\"user\"\n<\/code><\/pre>\n
More efficient for long strings:<\/p>\n
with [_ | tail] <- \"users\" |> to_charlist |> :lists.reverse,\n  do: tail |> :lists.reverse |> to_string\n<\/code><\/pre>\n
Most efficient (credits to @Dogbert):<\/p>\n
str = \"users\"\nsz = :erlang.byte_size(str),       \n:erlang.binary_part(str, {0, sz - 1})\n<\/code><\/pre>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            6<\/span> <\/p><\/div>\n<\/div>\n
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solved Inserting and removing a character from a string <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] Adding characters “customer” <> “s” Removing characters Elixir idiomatic: String.trim_trailing(“users”, “s”) #\u21d2\u00a0“user” More efficient for long strings: with [_ | tail] <- “users” |> to_charlist |> :lists.reverse, do: tail |> :lists.reverse |> to_string Most efficient (credits to @Dogbert): str = “users” sz = :erlang.byte_size(str), :erlang.binary_part(str, {0, sz – 1}) 6 [ad_2] solved Inserting and … 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":[1349,347],"class_list":["post-5397","post","type-post","status-publish","format-standard","hentry","category-solved","tag-elixir","tag-regex"],"yoast_head":"\n[Solved] Inserting and removing a character from a string - 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-inserting-and-removing-a-character-from-a-string\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Inserting and removing a character from a string - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Adding characters "customer" <> "s" Removing characters Elixir idiomatic: String.trim_trailing("users", "s") #\u21d2\u00a0"user" More efficient for long strings: with [_ | tail] <- "users" |> to_charlist |> :lists.reverse, do: tail |> :lists.reverse |> to_string Most efficient (credits to @Dogbert): str = "users" sz = :erlang.byte_size(str), :erlang.binary_part(str, {0, sz - 1}) 6 [ad_2] solved Inserting and ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-28T06:41:04+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] Inserting and removing a character from a string\",\"datePublished\":\"2022-08-28T06:41:04+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/\"},\"wordCount\":36,\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"keywords\":[\"elixir\",\"regex\"],\"articleSection\":[\"Solved\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/\",\"url\":\"https:\/\/jassweb.com\/solved\/solved-inserting-and-removing-a-character-from-a-string\/\",\"name\":\"[Solved] Inserting and removing a character from a string - 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