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Posted By

sag333ar on 03/28/11


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xcode Objective-c iphone NSPredicate NSArray ios iOS4 iPhone3 iPhone2


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sag333ar


NSPredicate for TextLength & Email Validation

 / Published in: iPhone
 

URL: www.sagarrkothari.blogspot.com

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  1. // predicates
  2. 	NSPredicate *nameTest;
  3. 	NSPredicate *mailTest;
  4.  
  5. 	nameTest = [[NSPredicate predicateWithFormat:@"SELF MATCHES %@", @"[a-zA-Z0-9_]{5,}"] retain];
  6. 	mailTest = [[NSPredicate predicateWithFormat:@"SELF MATCHES %@", @"[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(\\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*@([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}"] retain];
  7. 	BOOL isNameOK=[nameTest evaluateWithObject:txtSignUpUserName.text];
  8. 	BOOL isEmailOK=[mailTest evaluateWithObject:txtSignUpEmail.text];

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