Regular Expression To Match U.S. Amateur Radio Call Signs

A regular expression to match amateur radio call signs in the United States, which contain one or two prefix letters beginning with K, N, W, AA-AL, KA- KZ, NA-NZ or WA-WZ.



  • W1AW
  • KL5CDE
  • KN0WCW


  • WBBM
  • WHAS
  • WBAP

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