lastIndexIn method
Returns the first matching index in sequence
, searching backward
starting at start
(inclusive). Returns -1
if it could not be found.
Implementation
int lastIndexIn(String sequence, [int? start]) {
final codeUnits = sequence.codeUnits;
start ??= codeUnits.length - 1;
for (var i = start; i >= 0; i--) {
if (match(codeUnits[i])) {
return i;
}
}
return -1;
}