Flutter character

To find length of a given string in Dart, you can use length property of String class . String. length returns an integer specifying the number of characters in the string or otherwise called length.

Unicode code points are usually expressed as \uXXXX, where XXXX is a 4-digit hexadecimal value . To specify more or less than 4 hex digits, place the value in curly brackets. One can use the constructor of the Runes class in the dart:core library for the same.

How to Append or Concatenate Strings in Dart?