^start of string
.*any character, repeated any number of times
\S*any non-whitespace character, repeated any number of times
\({1}the literal ( (4010 / 508 / 2816) , repeated exactly 1 time
.*any character, repeated any number of times
refthe literal text ref (case sensitive) \s*any whitespace character, repeated any number of times
SqlConnectionthe literal text SqlConnection (case sensitive) s modifier: single line. Allows a dot to match line terminators