Short text gives participants one line to type a short answer in their own words: a name, a job title, a city, an email address. For longer answers, use Long text.
Click the purple + in the top bar. The question type picker opens.
Under Text, click Short text. The question appears at the end of the current question group.
Click Your question here and type your question.
Select the question to open its settings on the right.
The answer is the text as typed. In the export it is one column per question.
Enter a regular expression in Input validation under Advanced > General, for example /^[0-9]{5}$/ for a five-digit postal code. Answers that do not match are not accepted. See Validation.
Yes. Insert the answer into a later question text with its question code in curly brackets, for example {Q019}. See Piping: use answers from previous questions.