Ruby相当于Python str [3：]
[英]Ruby equivalent of Python str[3:]
问题描述
Is there a Ruby equivalent of Python's method for getting a substring that ends at the end of the string, like str[3:] ? 
是否有Ruby等价的Python方法来获取一个以字符串结尾结束的子字符串，如str[3:] ？ It's not convenient to have to put in the length of the string. 不得不放入字符串的长度是不方便的。
1 个解决方案
解决方案1
10 已采纳 2012-10-19 16:49:36
传递最后一个元素= -1的范围
str[3..-1]
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