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static user(guild, user, context, exact) {
		if (!user) return null;

		let users = [];

		if (context) {
			users = context;
		} else {
			users = guild.members.fetch();
		}

		if (!users || !users.length) return null;

		// check if it's a mention
		let mentionId = new RegExp('<@!?([0-9]+)>', 'g').exec(user);
		if (mentionId && mentionId.length > 1) {
			return users.find(u => u.id === mentionId[1]);
		}

		// check if it's user#1234
		if (user.indexOf('#') > -1) {
			let [name, discrim] = user.split('#'),
				nameDiscrimSearch = users.find(u => u.username === name && u.discriminator === discrim);
			if (nameDiscrimSearch) return nameDiscrimSearch;
		}

		// check if it's an id
		if (user.match(/^([0-9]+)$/)) {
			let userIdSearch = users.find(u => u.id === user);
			if (userIdSearch) return userIdSearch;
		}

		return null;
	}