title: R - Remove dashes from a column with phone numbers
body: <p>I'd like to create a new column of phone numbers with no dashes. I have data that is a mix of just numbers and some numbers with dashes. The data looks as follows:</p>
  
  <p><strong>Phone</strong><br>
  555-555-5555<br>
  1234567890<br>
  555-3456789<br>
  222-222-2222<br>
  51318312491</p>