isPersian static method
Implementation
static bool isPersian(String input, [bool isComplex = false, Pattern? trimPattern]) {
trimPattern ??= RegExp('["' r"'-+()؟\s.]");
var rawText = input.replaceAll(trimPattern, '');
var faRegExp = isComplex ? faComplexText : faText;
return RegExp('^[$faRegExp]+\$').hasMatch(rawText);
}