[python] 元素增加删除及纯字母纯数字判断等 -vulsee.com
纯数字判断:isnumeric() >>> str.isnumeric() False >>> str = '12312311111111111111' >>> str.isnumeri...
纯数字判断:isnumeric() >>> str.isnumeric() False >>> str = '12312311111111111111' >>> str.isnumeri...
Warning: Use of undefined constant filtersa - assumed 'filtersa' (this will throw an Error in a future version of PHP) i...