Negated Character classes

[^..] matches any character that is not listed in given class.

Ex:

[^abc] matches any character except a, b, or c

Run the harness program like below inputs.

Sample Output

Enter Regular Expression

c[^aom]

Enter the string

classic, creative, clever

I found the text cl starting at index 0 Ending at index 2

I found the text c, starting at index 6 Ending at index 8

I found the text cr starting at index 9 Ending at index 11

I found the text cl starting at index 19 Ending at index 21

Enter the string

pac

c[^aom]

Matches 2 characters 'c' which is not followed by 'a','o', 'm'.

pac

Check the string 'pac' even though 'c' in pac is not followed by 'a', 'o' and 'm' id is not printed, since there is no other character after c in 'pac.

Note

Use this program to run above sample

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