您也可以用它来除去重复字符。

You can also use it to remove repeated characters.

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给定一个字符串，寻找第一个不重复字符并返回其下标。

Given a string, find the first non-repeating character in it and return it's index.

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在新密码中不能重复的字符数量。

The number of characters that cannot be repeated in the new password.

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该字符集可以在多个代码页中重复。

This character set can be repeated in several code pages.

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handle重复包含handle中的字符组成的字符串的最后一条命令。

Handle repeats the last command that contains the string of characters in handle.

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重复操作符开始字符。

The repetition operator opening character.

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重复操作符结束字符。

The repetition operator closing character.

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给定一个字符串，找出其中第一个不重复出现的字符，返回其位置索引。

Given a string, find the first non-repeating character in it and return it's index.

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功能实验：检查输入字符串是否有重复的字母。

Function test: Check whether the input string has duplicate letters.

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功能实验：检查输入字符串是否有重复的字母。

Function test: Check whether the input string has duplicate letters.

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