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String primitive are Regex methods such as
We can use the latter to sanitize inputs. A simply way to clean a phone number, for example is
As you can see in this RegexPal2, the non-numbers are highlighted:
To use this in a function, it’s as simple as:
const phone = '+1 (123) 456-9800' console.log(phone.replace(/[^0-9]/g, '')) // 11234569800
To replace alphabetic characters, we would modify the pattern. For example
/[^A-z]/g would be all upper and lower case characters.
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