字母

The only acceptable value is ONE of the LOWERCASE letters from a to z

唯一符合条件的值是从 a 到 z 之间的一个小写字母

If you wanted to match only lowercase letters, your RE would be .

如果你只想匹配小写字母，那麼 RE 应写成。

It should include numbers, punctuation, and both upper and lowercase letters.

它应该包含数字、字母，并有不同的大小写。

Lowercase letters; a and b and c etc.

小写字母；a和b和c等等。

It is often the best choice to do all letters in either in lowercase or uppercase.

最好是将所有的字母统一为小写或是大写。

The acceptable value is zero or more occurrences of lowercase letters from a to z

唯一符合条件的值是a 到z的小写字母或0

Uppercase and lowercase letters are to be considered distinct.

大写和小写字母都被认为是不同的。

He was immediatley drawn to it and in less than two weeks, he learned all his letters, upper and lowercase!

他一下子就被吸引住了。在不到两个星期，他学会了所有字母，大写与小写！

True if c is a lowercase letter.

如果 c是小写字母，则为 true。

In our case, the sequence is the set of all 26 lowercase letters of the alphabet, string.lowercase.

我们在这里用26个小写字母的序列，string.lowercase。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。