if (textField == self.fromLocationTF)
{
NSString *newString = [_fromLocationTF.text stringByReplacingCharactersInRange:range withString:string];
NSString *abnRegex = @"[A-Za-z]+";
NSPredicate *abnTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", abnRegex];
return ([abnTest evaluateWithObject:newString] || newString.length == 0);
}
{
NSString *newString = [_fromLocationTF.text stringByReplacingCharactersInRange:range withString:string];
NSString *abnRegex = @"[A-Za-z]+";
NSPredicate *abnTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", abnRegex];
return ([abnTest evaluateWithObject:newString] || newString.length == 0);
}
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