DART

flutter substring

var string = 'dartlang';
string.substring(1);    // 'artlang'
string.substring(1, 4); // 'art'

dart substring

void main() { 
   String str1 = "Hello World"; 
   print("New String: ${str1.substring(6)}"); 
   
   // from index 6 to the last index 
   print("New String: ${str1.substring(2,6)}"); 
   
   // from index 2 to the 6th index 
} 

what is the use of substring in flutter

// To remove or add anything at the end or to the start of the string

flutter substring

void main() {
  const str = "the quick brown fox jumps over the lazy dog";
  const start = "quick";
  const end = "over";

  final startIndex = str.indexOf(start);
  final endIndex = str.indexOf(end, startIndex + start.length);

  print(str.substring(startIndex + start.length, endIndex)); // brown fox jumps
}