RegExMatch.SubExpressionStartB
From Xojo Documentation
Method
RegExMatch.SubExpressionStartB(matchNumber as Integer) As Integer
Supported for all project types and targets.
Supported for all project types and targets.
Returns the starting byte offset of the SubExpression given by matchNumber. SubExpressionStartB is zero-based.
Notes
To convert this byte offset into a 1-based character position (for use with String functions such as Mid and Left), use this code: