只获取字符串中得数字
NSCharacterSet *setToRemove = [[ NSCharacterSet characterSetWithCharactersInString:@"0123456789"]invertedSet];
NSString *strPhone = [[phone componentsSeparatedByCharactersInSet:setToRemove] componentsJoinedByString:@""];
只获取字符串中得数字
NSCharacterSet *setToRemove = [[ NSCharacterSet characterSetWithCharactersInString:@"0123456789"]invertedSet];
NSString *strPhone = [[phone componentsSeparatedByCharactersInSet:setToRemove] componentsJoinedByString:@""];
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