第一个字元保留大写，而其馀的字元已转换成小写。
The first character was left uppercase and the remaining characters were converted to lowercase.
在这个例子中，搜索字符串还被转换成小写字符，因此这个搜索不是大小写敏感的。
For this example, the search string is also converted to lowercase, resulting in a search that is not case-sensitive.
php脚本，如果你的数据文件名不小心被转换成小写的话，该脚本将帮助你进行修正。
PHP script to help you fix your data filenames if they get converted to lowercase by accident.
写一个读取文件的程序，把每一行拆分成一个个词，去掉空白和标点符号，然后把所有单词都转换成小写字母的。
Write a program that reads a file, breaks each line into words, strips whitespace and punctuation from the words, and converts them to lowercase.
好的，一种处理这个问题的方法是将两个字符串变量($a)及目标文本(RIPT)都转换成小写或者大写字符。
Well, one way to handle that is to convert both the string variable ($a) and the target text (RIPT) to all-lowercase or all-uppercase characters. This command returns the value True
例外情况，一个监听器将输入字符串转换成大写字母，而另一个将其转换成小写字母，这对于监听器所编写的代码都是完全相同的。
With the exception that one of the listeners converts the input string to uppercase, while the second converts the string to lowercase, the code for the listeners is exactly the same.
它们只是分别将字符串都转换成大写字母或小写字母。
They simply convert the string to all uppercase or all lowercase letters, respectively.
转换成大写的字母（如果是小写）
根据该逻辑，把输入的文本转换成想要的大小写形式并发送给用户。
Based on that logic, you change the incoming text to the desired case and send the text back to the user.
根据该逻辑，把输入的文本转换成想要的大小写形式并发送给用户。
Based on that logic, you change the incoming text to the desired case and send the text back to the user.
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