我不覺得在Matlab 2012B的基本特徵: Remove trailing whitespaces on save.
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對我製作的程序有點麻煩。我得到它顯示鑽石,但我有一個問題,這裏是我的代碼: a = input("Enter width: ")
a = int(a)
b = a
for i in range(a):
i = i + 1
b = a - i
text = " " * b + " " + "* " * i
print(text[:-1])
for i
我無法找到正確的正則表達式爲我的情況。我發現幾乎完美,但它仍然通過領先的空間。 要求: var regex = /^\s*(?=.*[0-9])(?=.*[a-zA-Z])([a-zA-Z0-9]+)\s*$/;
var passwd = "abcdefg12345" //Passes
var passwd = " abcdefg12345" //Does not pass
var pas