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//判断roadTitleLab.text 是否含有qingjoin
if([roadTitleLab.text rangeOfString:@"qingjoin"].location !=NSNotFound)//_roaldSearchText
{
NSLog(@"yes");
}
else
{
NSLog(@"no");
}iOS 判断字符串中含有某个字符串 rangeOfString
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原文地址:http://www.cnblogs.com/BinZone/p/4690327.html