Basically with regular expressions you can test if a string meets a certain format. Look for the string "ing" and use a wildcard before the ing.
I know I could easily paste perl soure code, but if you are going to program in perl this is a KEY element to understand. Try using that tutorial and figuring it out on your own. Pm me if you have questions.
Use regular expressions (tutorial: http://www.troubleshooters.com/codecorn/littperl/perlreg.htm)
Basically with regular expressions you can test if a string meets a certain format. Look for the string "ing" and use a wildcard before the ing.
I know I could easily paste perl soure code, but if you are going to program in perl this is a KEY element to understand. Try using that tutorial and figuring it out on your own. Pm me if you have questions.