<prompt> Theha polelo e tloaelehileng ho netefatsa nomoro ea mohala e nepahetseng.nan  <response>: Instruction in English: Construct a regular expression to validate a valid phone number. . Response in English: A regular expression to validate a valid phone number will depend on the specific format and rules for phone numbers in a given country. Here is an example of a regular expression that could be used to validate a standard US phone number in the format 123 456-7890:d3 d3-d4This regular expression breaks down as follows:- asserts position at the start of the string.- matches the opening parenthesis.- d3 matches a digit equal to 0-9 exactly 3 times.- matches the closing parenthesis.- The space character matches a single space.- d3 matches a digit equal to 0-9 exactly 3 times.- - matches the hyphen character.- d4 matches a digit equal to 0-9 exactly 4 times.- asserts position at the end of the string.This regular expression will only match phone numbers that follow the exact format specified. It can be modified or expanded to accommodate different phone number formats as needed. . Response in Sesotho: Polelo e tloaelehileng ea ho netefatsa nomoro ea mohala e nepahetseng e tla itšetleha ka mokhoa o itseng le melao ea linomoro tsa mohala naheng e fanoeng. Mohlala ke ona oa polelo e tloaelehileng e ka sebelisoang ho netefatsa nomoro e tloaelehileng ea mohala ea US ka mokhoa oa 123 456-7890: d3 d3-d4 Polelo ena e tloaelehileng e aroha ka tsela e latelang: - e tiisa boemo qalong ea khoele. - e bapisa le masakakana a qalang. - d3 e bapisa nomoro e lekanang le 0-9 hantle makhetlo a 3. - e bapisa le masakakana a koalang. - Sebapali sa sebaka se tsamaisana le sebaka se le seng. - d3 e bapisa nomoro e lekanang le 0-9 hantle makhetlo a 3. - - e tsamaellana le tlhaku ya mothalo. - d4 e bapisa nomoro e lekanang le 0-9 hantle makhetlo a 4. - e tiisa boemo qetellong ea khoele. Polelo ena e tloaelehileng e tla tsamaisana feela le linomoro tsa mohala tse latelang mokhoa o boletsoeng hantle. E ka fetoloa kapa ea atolosoa ho amohela mefuta e fapaneng ea linomoro tsa mohala ha ho hlokahala. 