interpolate static method
Interpolate a regexp string.
Implementation
static String interpolate(String str, List<String> args) {
final RegExp exp = RegExp(r'\$(\d{1,2})');
return str.replaceAllMapped(exp, (match) {
final matchedText = match.group(1);
final int index = int.parse(matchedText!);
return args.length > index ? args[index] : '';
});
}