function is_url(str) {
    let regexp = /^(?:(?:https?|ftp):\/\/)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))(?::\d{2,5})?(?:\/\S*)?$/;
    if(regexp.test(str)) {
        return true;
    } else {
        return false;
    }
}


//mots interdits
Client.on("message", message => {
    if(message.author.bot) return;
    if(message.member.hasPermission("BAN_MEMBERS")) return;

        if(is_url(message.content) === true) {
            if(message.content.includes("pr11.fr", "discord.gg/f64qtkP", "tenor.com", "youtube.com/channel/UCzr5EG-YC7GDmtnvPfo_21A")) return;
            message.delete()
            return message.channel.send("Vous avez utilisé un lien, et c'est interdit").then(message => {
                message.delete({ timeout: 1000 })
            })
        }

});