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- - (NSString*)removeUnusedCharacters:(NSString*)input
- {
- NSCharacterSet *doNotWant = [NSCharacterSet characterSetWithCharactersInString:@"ÀÁÂÃÄâãäàÈÉÊËêëÌÍÎÏîïíÒÓÔÕÖôõöóÙÚÛÜûüùÝýñ\\|!\"£$%&/=?^+*°#§;:_`«“‘¥~‹÷´`≠¡ˆ„Ω€®™æ¨œøπ[]åß∂ƒ∞∆ªº¬@¶≤≥<>∑†©√∫˜µ…•–◊{}±¿≈⁄›‰¢’”»ı³"];
- return [[[input componentsSeparatedByCharactersInSet: doNotWant] componentsJoinedByString: @""] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
- }
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