checkTextIsPhoneNumberCharsOnlyWithoutAbc static method
this check it's like "0101234568" to be return true, if it hase any abc it will return false
Implementation
static bool checkTextIsPhoneNumberCharsOnlyWithoutAbc(String text) {
// Null or empty string is not a number
if (text == null || text.isEmpty) {
return false;
}
// Try to parse input string to number.
// Both integer and double work.
// Use int.tryParse if you want to check integer only.
// Use double.tryParse if you want to check double only.
final number = num.tryParse(text);
if (number == null) {
return false;
}
return true;
}