Convert phone number keyboard letters to numbers

How to convert letters of mobile phone number keyboard to numbers in Anqi CMS template?

phone2numericFilters can convert phone number keyboard letters into numbers.
The conversion relationship is:

{
	"a": "2", "b": "2", "c": "2", "d": "3", "e": "3", "f": "3", "g": "4", "h": "4", "i": "4", "j": "5", "k": "5",
	"l": "5", "m": "6", "n": "6", "o": "6", "p": "7", "q": "7", "r": "7", "s": "7", "t": "8", "u": "8", "v": "8",
	"w": "9", "x": "9", "y": "9", "z": "9"
}

How to use

phone2numericHow to use filters:

{{ obj|phone2numeric }}

For example, it is necessary to999-PONGO2Convert to numbers, you can write this:

{{ "999-PONGO2"|phone2numeric }}
# Display result
999-766462

Sample Demo

{{ "999-PONGO2"|phone2numeric }}
# Display result
999-766462