Use the following example with Cygwin to "-r" recursively scan "-i" ignoring case "-l" list files and use "-E" regular expression which finds all strings that have a pairing of
grep -r -i -l -E 'personal.+information' *.jsp

Technical notes, and other ideas.
Use the following example with Cygwin to "-r" recursively scan "-i" ignoring case "-l" list files and use "-E" regular expression which finds all strings that have a pairing of
grep -r -i -l -E 'personal.+information' *.jsp