Note: To extract characters from the end of the string, use a negative start number.

注意：要从字符的尾部开始取字符，用负数做为起始字符。

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How to get rid of text at the start of a string?

如何在字符串开始摆脱文本？

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Note: To extract characters from the end of the string, use a negative start number.

注意：要从字符的末尾开始选取字符，用一个负的起始值。

youdao

Note: To extract characters from the end of the string, use a negative start number.

注意：要从字符的末尾开始选取字符，用一个负的起始值。

youdao