In the event that an abundance of the numeral 9 occurs beyond a specific threshold, take appropriate action

Math js is experiencing an issue where it crashes if the equation includes 1:999 or any additional nines.

        try
        {
            if(args == "1:999") return message.channel.send('That question is not allowed');

        } catch(error){
            message.channel.send("there was an error")
        }

Currently, executing the calculation 1:999 results in an error. However, I would like it to check for any occurrences of more than three nines in the equation. For instance, inputting 1:9999999 would also trigger an error. Any number with more than three nines will cause a crash.

javascriptdiscord.jsmathjs

Answer №1

Check out this code snippet that uses a regular expression to determine if a string follows the pattern of "1:999", "1:9999", "1:99999", and so on.

if (/^1:999+$/.test(arg)) {

Answer №2

If you need to determine if a string concludes with a specific number of instances of the digit 9, you can utilize the JavaScript method String#EndsWith in conjunction with String#repeat.

if (args.endsWith('9'.repeat(count))) {
  console.log("Too many nines");
}

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