DarkMatter.Strings.strip_non_digit
You're seeing just the function
strip_non_digit
, go back to DarkMatter.Strings module for more information.
Specs
Strip non-alphanumeric chars from binary
Examples
iex> strip_non_digit("a dog ran down the street")
""
iex> strip_non_digit("123-456#1526")
"1234561526"