Javascript dashes in phone number

Question

I tried to research the answer to this question but I'm lost. I am trying to make a one search bar that automatically puts a dash in the phone number. I've solved that. The next part is the challenging part. How can I make it always do XXX-XXX-XXXX, even if the characters pasted were something like 555 555 1212 or 555---555-1212, where it will only reel back the number and output with 555-555-1212. It shouldn't count the spaces or extra dashes as a character. I found: http://www.jotform.com/answers/15202-can-I-add-script-to-my-form-that-will-automatically-add-hyphens-in-between-the-3-digit-area-code-and-also-the-3-digit-prefix I changed it just a bit by adding: ``` ``` Right now, this works only if the user puts 5555555555 and automatically…

Accepted Answer

First, clean your input by deleting all chars that are not numbers (ref.: Regex to replace everything except numbers and a decimal point)

Then, you put your dashes.

```
function addDashes(f)
{
    f_val = f.value.replace(/\D[^\.]/g, "");
    f.value = f_val.slice(0,3)+"-"+f_val.slice(3,6)+"-"+f_val.slice(6);
}
```

Javascript dashes in phone number

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