<prompt> Theha polelo e tloaelehileng ho tsamaisana le khoele e nang le litlhaku tse nyane le tse kholo le bonyane linomoro tse le ngoe.nan  <response>: Instruction in English: Construct a regular expression to match a string that contains lowercase and uppercase letters and at least one digit. . Response in English: The regular expression: ?.0-9?.a-zA-Za-zA-Z0-9 can be used to match strings that contain only lowercase and uppercase letters and at least one digit.This regular expression contains a few parts:1. - This indicates that the matching should start from the beginning of the string.2. ?.0-9 - This is a positive look-ahead, which means it searches for 0 or more characters followed by a digit 0-9 at any position in the string. This ensures that the string contains at least one digit.3. ?.a-zA-Z - This is another positive look-ahead, which searches for 0 or more characters followed by either a lowercase or uppercase letter a-z or A-Z at any position in the string. This ensures that the string contains at least one letter.4. a-zA-Z0-9 - This matches one or more characters that are either lowercase, uppercase or digits. 5. - This indicates that the matching should end at the last character of the string.Using this regular expression, we can match any string that contains only letters and digits and contains at least one digit. . Response in Sesotho: Polelo e tloaelehileng: ?.0-9?.a-zA-Za-zA-Z0-9 e ka sebelisoa ho bapisa likhoele tse nang le feela litlhaku tse nyane le tse kholo le bonyane palo e le ngoe. Polelo ena e tloaelehileng e na le likarolo tse maloa: 1. - Sena se bontša hore ho nyallana ho lokela ho qala qalong ea khoele. 2. ?.0-9 - Ena ke chebahalo e ntle, e bolelang hore e batla litlhaku tse 0 kapa ho feta tse lateloang ke nomoro 0-9 sebakeng sefe kapa sefe moleng. Sena se tiisa hore khoele e na le bonyane palo e le ngoe. 3. ?.a-zA-Z - Ena ke ponahalo e ntle ka pele, e batlang litlhaku tse 0 kapa ho feta tse lateloang ke litlhaku tse nyane kapa tse kholo az kapa AZ sebakeng sefe kapa sefe. khoele. Sena se tiisa hore khoele e na le bonyane tlhaku e le ngoe. 4. a-zA-Z0-9 - Sena se tsamaellana le tlhaku e le ngoe kapa ho feta tseo e ka bang litlhaku tse nyane, tse kholo kapa linomoro. 5. - Sena se bontša hore ho bapisa ho lokela ho fella tlhakung ea ho qetela ea khoele. Ka ho sebelisa poleloana ena e tloaelehileng, re ka bapisa khoele efe kapa efe e nang le litlhaku le linomoro feela mme e na le bonyane linomoro tse le ngoe. 