Search and Replace in a String

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• Encode and Decode Strings using Base 64 – Jun 30, 2018
  The example below shows to how to encode and then subsequently decode a string using base 64. Doing this has many uses, one of which to safely encode byte data in structures like JSON. We use the encoding/base64 package to do this, which takes in and returns a byte array into it’s EncodeToString and DecodeString methods. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 package main import ( "encoding/base64" "fmt" ) func main() { myString := "This is golangcode.
• Remove all Non-Alphanumeric Characters from a String (with help from regexp) – Apr 14, 2017
  It’s often useful be be able to remove characters from a string which aren’t relevant, for example when being passed strings which might have $ or £ symbols in, or when parsing content a user has typed in. To do this we use the regexp package where we compile a regex to clear out anything with isn’t a letter of the alphabet or a number. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 package main import ( "fmt" "log" "regexp" ) func main() { example := "#GoLangCode!
• Multi-line Strings – Mar 22, 2016
  This is an especially useful technique when working with large strings like SQL, HTML or XML within Go. Instead of using either the double quote (“) or single quote symbols (‘), instead use back-ticks to define the start and end of the string. You can then wrap it across lines. If you indent the string though, remember that the white space will count. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 package main import "fmt" func main() { message := `This is a Multi-line Text String Because it uses the raw-string back ticks instead of quotes.