3 ms·

More succinctly: [A-z]+[A-z0-9_-]

• kibwen 9y ago
  If you look closely at your comment, you'll realize the hilarious HN bug that prevents me from writing it as you suggest. :P
  • majewsky 9y ago
    [a-zA-Z][a-zA-Z0-9_-]* FTFY
• deleted 9y ago
  [deleted]
• wruza 9y ago
  [\]^_` included, or is that a special case?
• jwilk 9y ago
  [A-z] is not the same as [A-Za-z] . The former includes a few punctuation characters that are between "Z" and "a".