iOS nsstring 截取字符前后字符串

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// Str = @"PEK_LHR"

NSRange range = [trafficeStr rangeOfString:@"_" options:NSBackwardsSearch];

from = [trafficeStr substringToIndex:range.location];

to = [trafficeStr substringFromIndex:range.location + 1];

iOS nsstring 截取字符前后字符串

标签：io   ar   os   on   bs   ios   ca   字符串   rom   

原文地址：http://www.cnblogs.com/lihaibo-Leao/p/4153176.html