Write a program to ask the user to enter (i) a filename and (ii) regular expression. The program should count the number of lines that matched the regular expression. Example: Enter a filename: "mbox.txt" Enter a regular expression: ^Author Expected output: mbox.txt had 1798 lines that matched ^Author
Write a program to ask the user to enter (i) a filename and (ii) regular expression. The program should count the number of lines that matched the regular expression. Example: Enter a filename: "mbox.txt" Enter a regular expression: ^Author Expected output: mbox.txt had 1798 lines that matched ^Author
Chapter13: File Input And Output
Section: Chapter Questions
Problem 7PE
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Write a program to ask the user to enter (i) a filename and (ii) regular expression. The program should count the number of lines that matched the regular expression.
Example:
Enter a filename: "mbox.txt"
Enter a regular expression: ^Author
Expected output: mbox.txt had 1798 lines that matched ^Author
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