^start of line
\d+?a digit, repeated at least once
\ta tab character (ASCII 9)
.any character (except for line terminators)
\ta tab character (ASCII 9)
nontraditional fieldthe literal text nontraditional field (case sensitive) \ta tab character (ASCII 9)
Textthe literal text Text (case sensitive) \ta tab character (ASCII 9)
2,319the literal text 2,319 \ta tab character (ASCII 9)
Interview 1the literal text Interview 1 (case sensitive) \.the literal . (4610 / 568 / 2E16)
txtthe literal text txt (case sensitive) $end of line
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string