How to encode the plus symbol in a URL

Question

The URL link below will open a new Google mail window   The problem I have is that Google replaces all the plus     signs in the email body with blank space   It looks like it only happens with the   sign   How can I remedy this    I am working on a ASP NET web page   https   mail google com mail view cm amp tf 0 amp to someemail somedomain com amp su some subject amp body Hi there Hello there  In the body email   quot Hi there Hello there quot  will show up as  quot Hi there Hello there quot

User · Answer

Is you want a plus     symbol in the body you have to encode it as 2B   For example   Try this

User · Answer

It s safer to always percent-encode all characters except those defined as  unreserved  in RFC-3986   unreserved      ALPHA   DIGIT    -                     So  percent-encode the plus character and other special characters   The problem that you are having with pluses is because  according to RFC-1866  HTML 2 0 specification   paragraph 8 2 1  subparagraph 1    The form field names and values are escaped  space characters are replaced by      and then reserved characters are escaped    This way of encoding form data is also given in later HTML specifications  look for relevant paragraphs about application x-www-form-urlencoded

User · Answer

The   character has a special meaning in a URL   gt  it means whitespace -    If you want to use the literal   sign  you need to URL encode it to  2b  body Hi there 2bHello there  Here s an example of how you could properly generate URLs in  NET  var uriBuilder   new UriBuilder  quot https   mail google com mail quot     var values   HttpUtility ParseQueryString string Empty   values  quot view quot      quot cm quot   values  quot tf quot      quot 0 quot   values  quot to quot      quot someemail somedomain com quot   values  quot su quot      quot some subject quot   values  quot body quot      quot Hi there Hello there quot    uriBuilder Query   values ToString     Console WriteLine uriBuilder ToString      The result  https   mail google com 443 mail view cm amp tf 0 amp to someemail 40somedomain com amp su some subject amp body Hi there 2bHello there

User · Answer

In order to encode   value using JavaScript  you can use encodeURIComponent function  Example   x000D   x000D  var url     11   var encoded url   encodeURIComponent url   console log encoded url  x000D   x000D   x000D

User · Answer

Just to add this to the list  Uri EscapeUriString  quot Hi there Hello there quot      Hi 20there Hello 20there Uri EscapeDataString  quot Hi there Hello there quot      Hi 20there 2BHello 20there  See https   stackoverflow com a 34189188 98491 Usually you want to use EscapeDataString which does it right

[asp.net] How to encode the plus (+) symbol in a URL

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