<prompt> Theha polelo e tloaelehileng ho tsamaisana le Khoutu efe kapa efe e nepahetseng ea US ea Zip.nan  <response>: Instruction in English: Construct a regular expression to match any valid US Zip Code. . Response in English: A valid US Zip Code can either be five digits or consists of five digits and a dash followed by four more digits. So, the regular expression that can match any valid US Zip Code is: d5?:-d4?. This regex will match the zip codes in the classic xxx or xxx-xxx formats. . Response in Sesotho: US Zip Code e nepahetseng e ka ba linomoro tse hlano kapa e na le linomoro tse hlano le motoa o lateloang ke linomoro tse ling tse nne. Kahoo, polelo e tloaelehileng e ka lumellanang le Khoutu efe kapa efe e nepahetseng ea US ea Zip ke: d5?:-d4?. Regex ena e tla tsamaisana le zip codes tsa lifomate tsa khale tsa xxx kapa xxx-xxx. 