<prompt> Ngola polelo e tloaelehileng bakeng sa ho netefatsa nomoro ea mohala.nan  <response>: Instruction in English: Write a regular expression for validating a phone number. . Response in English: A regular expression for validating a phone number could be d1,3-s?d2,3?-s?d3-s?d3,4.Here is an explanation of the regex:- matches the beginning of the string.- matches the plus sign at the start, used for international numbers.- d1,3 matches between 1 to 3 digits, representing the country code.- -s? matches an optional dash or whitespace, separating the country code from the rest of the number.- d2,3? matches an optional 2 to 3 digits, representing an area or city code.- -s? matches another optional dash or whitespace, separating the area code from the rest of the number.- d3 matches a group of 3 digits.- -s? matches another optional dash or whitespace.- d3,4 matches a group of 3 or 4 digits at the end of the string. This regex is just an example and may not be applicable to all phone number formats, as phone numbers can vary greatly between countries and regions. . Response in Sesotho: Polelo e tloaelehileng ea ho netefatsa nomoro ea mohala e ka ba d1,3-s?d2,3?-s?d3- s?d3,4. Mona ke tlhaloso ea regex: - e bapisa le qalo ea khoele. - e bapisa letsoao le kopantseng qalong, le sebelisetsoang linomoro tsa machaba. - d1,3 e bapisa pakeng tsa linomoro tse 1 ho isa ho tse 3, e emelang khoutu ea naha. - -s? e tsamaisana le motoa o ikhethelang kapa sebaka se sesoeu, se arolang khoutu ea naha ho tsoa ho tse ling kaofela. - d2,3? e bapisa le linomoro tse 2 ho isa ho tse 3, tse emelang sebaka kapa khoutu ea toropo. - -s? e tsamaisana le motoa o mong oa boikhethelo kapa sebaka se sesoeu, se arolang khoutu ea sebaka ho tsoa ho tse ling kaofela. - d3 e tsamaisana le sehlopha sa linomoro tse 3. - -s? e tsamaisana le motoa o mong oa boikhethelo kapa sebaka se sesoeu. - d3,4 e tsamaisana le sehlopha sa linomoro tse 3 kapa 4 qetellong ea khoele. Regex ena ke mohlala feela mme e kanna ea se sebetse mefuteng eohle ea linomoro tsa mohala, kaha linomoro tsa mohala li ka fapana haholo lipakeng tsa linaha le libaka. 