我正在编写一个爬虫程序，它将已爬网的信息抓取并保存在变量i中，所以我这样做了：
my_string = i
match = re.search("\<!-- populate table from mysql database -->(.*?)\</tbody>" , my_string).group(1)
print match
出现此错误：
TypeError：期望的字符串或缓冲区
有人能就这里的问题给我建议吗？
答案 0 :(得分：0)
var bigarray = [[1],[2,[3,3]],[1], 1];
/**
* Checks if `value` is a flattenable `arguments` object or array.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
*/
function isFlattenable(value) {
return Array.isArray(value);
}
/**
* The base implementation of `_.flatten` with support for restricting flattening.
*
* @private
* @param {Array} array The array to flatten.
* @param {number} depth The maximum recursion depth.
* @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
* @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
* @param {Array} [result=[]] The initial result value.
* @returns {Array} Returns the new flattened array.
*/
function baseFlatten(array, depth, predicate, isStrict, result) {
var index = -1,
length = array.length;
predicate || (predicate = isFlattenable);
result || (result = []);
while (++index < length) {
var value = array[index];
if (depth > 0 && predicate(value)) {
if (depth > 1) {
// Recursively flatten arrays (susceptible to call stack limits).
baseFlatten(value, depth - 1, predicate, isStrict, result);
} else {
arrayPush(result, value);
}
} else if (!isStrict) {
result[result.length] = value;
}
}
return result;
}
/**
* Recursively flattens `array`.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flattenDeep([1, [2, [3, [4]], 5]]);
* // => [1, 2, 3, 4, 5]
*/
function flattenDeep(array) {
var length = array ? array.length : 0;
return length ? baseFlatten(array, Infinity) : [];
}
console.log(flattenDeep(bigarray));
，即my_string不是i所需的字符串（或缓冲区）。
您可以将其转换为字符串，然后执行re.search：
re.search