keepDigitsOnly static method

String keepDigitsOnly(
  1. String input
)

Extracts only digit characters from input string

Removes all non-digit characters and whitespace. Used to convert formatted text back to digits-only for editing.

Example: "10:30 z" → "1030"

input - Input string that may contain non-digits Returns string containing only digits

Implementation

static String keepDigitsOnly(String input) =>
    _removeNonDigits(input).removeWhiteSpaces;