When I run the following script it returns String Okay! when it should say
Invalid Characters Found. I've tried the script substituting $ for other
characters, such as j, and it works just fine. What do I need to do?


$input = "johnon@company.$com";

if (ereg("[$]", $input)) {
 die("Invalid Characters Found.");
} elseif (ereg("[[:space:]]", $input)) {
 die("Whitespace found.");
} else {
 echo "String okay!";




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