in regex :: 
For a relative file path like "\abc\def\file.txt" I need to check if the file is located in the "\abc\def" folder (or in any of its sub folders). Let's call this "\abc\def" a predefined path. Note that I am not interested in the drive nor the path complexity before "\abc\def".
For a relative file path like "\abc\def\file.txt" I need to check if the file is located in the "\abc\def" folder (or in any of its sub folders). Let's call this "\abc\def" a predefined path. Note that I am not interested in the drive nor the path complexity before "\abc\def".
How to determine if a substring begins another string in Delphi? Easy: use StartsText (StartsStr, Pos, ...). How to determine if a pattern-like substring begins another string in Delphi? Easy: use regular expression!
Read the full article to learn how to Implement StartsText With SubText As (a Regular Expression) Pattern
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