? Quantifier — Matches between zero and one times, as many times as possible, giving back as needed (greedy)
uid matches the characters uid literally (case sensitive)
.+
matches any character (except for line terminators)Line terminator(s) are \n, \r, \u2028, \u2029
+ Quantifier — Matches between one and unlimited times, as many times as possible, giving back as needed (greedy)
Match a single character present in the list below [~]
~ matches the character ~ literally (case sensitive)