iOS开发>学无止境 - 去除两端空格和回车
去除两端空格:
NSString *temp = [textField.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
去除两端空格和回车:
NSString *text = [temp stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet ]];
本内容来自: 超越昨天(学无止境) - http://www.cnblogs.com/xvewuzhijing/

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