Authorized Domain - Validates a domain name to prevent remote access. Prevents your form... Bad Word Filter - Check a string and filter out prohibited words. Good for forums, guest... Call subroutine and pass filehandle - Call a subroutine and pass a filehandle. Perl's Call subroutine and pass variable by value - Call a subroutine and pass a variable by value. Check email address - Check an email address for validity. Count words or terms - Count the number of times a given word or character appears in a ... Create string by formatting an amount as money - This uses Tan D Nguyen's module "Locale... Generate unique strings of random numbers - This code snippet will produce strings of n... Get Date 30 days ago - The easy way to get the date 30 days ago- or any number of days, ... Inline search and replace - Super fast recursive search and replace one-liner. Opening a file - Open a flat file and get the contents into a string variable. Perl SQL Update Example - Updating a record in a database with perl and the DBU module. Perl While Loop Example - If your SQL query will return more than one record, you will n... Randomize a list - Randomize a list of elements. Remove Duplicate Lines from a File - A quick and easy code snippet to remove duplicate ... Run script with no output - Ever wonder how to run a CGI script without returning anythi... SQL Insert Example - Here we add two records to the database using an INSERT statement....