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Jasper Blues
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Sep 8, 2013
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,37 @@ | ||
| //////////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // TYPHOON FRAMEWORK | ||
| // Copyright 2013, Jasper Blues & Contributors | ||
| // All Rights Reserved. | ||
| // | ||
| // NOTICE: The authors permit you to use, modify, and distribute this file | ||
| // in accordance with the terms of the license agreement accompanying it. | ||
| // | ||
| //////////////////////////////////////////////////////////////////////////////// | ||
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| #import <Foundation/Foundation.h> | ||
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| @interface TyphoonStringUtils : NSObject | ||
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| + (BOOL)isAlpha:(NSString*)candidate; | ||
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| + (BOOL)isAlphaOrSpaces:(NSString*)candidate; | ||
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| + (BOOL)isAlphanumeric:(NSString*)candidate; | ||
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| + (BOOL)isAlphanumericOrDash:(NSString*)candidate; | ||
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| + (BOOL)isMemberOfCharacterSet:(NSString*)string characterSet:(NSMutableCharacterSet*)characterSet; | ||
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| + (BOOL)isNotEmpty:(NSString*)candidate; | ||
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| + (BOOL)isEmailAddress:(NSString*)candidate; | ||
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| + (BOOL)hasMinimumLength:(NSString*)candidate length:(int)length; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| //////////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // TYPHOON FRAMEWORK | ||
| // Copyright 2013, Jasper Blues & Contributors | ||
| // All Rights Reserved. | ||
| // | ||
| // NOTICE: The authors permit you to use, modify, and distribute this file | ||
| // in accordance with the terms of the license agreement accompanying it. | ||
| // | ||
| //////////////////////////////////////////////////////////////////////////////// | ||
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| #import "TyphoonStringUtils.h" | ||
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| @implementation TyphoonStringUtils | ||
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| + (BOOL)isAlpha:(NSString*)candidate | ||
| { | ||
| return [self isMemberOfCharacterSet:candidate characterSet:[NSCharacterSet letterCharacterSet]]; | ||
| } | ||
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| + (BOOL)isAlphaOrSpaces:(NSString*)candidate | ||
| { | ||
| NSMutableCharacterSet* characterSet = [NSMutableCharacterSet letterCharacterSet]; | ||
| [characterSet addCharactersInString:@" "]; | ||
| return [self isMemberOfCharacterSet:candidate characterSet:characterSet]; | ||
| } | ||
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| + (BOOL)isAlphanumeric:(NSString*)candidate | ||
| { | ||
| return [self isMemberOfCharacterSet:candidate characterSet:[NSCharacterSet alphanumericCharacterSet]]; | ||
| } | ||
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| + (BOOL)isAlphanumericOrDash:(NSString*)candidate | ||
| { | ||
| NSMutableCharacterSet* characterSet = [NSMutableCharacterSet alphanumericCharacterSet]; | ||
| [characterSet addCharactersInString:@"-_."]; | ||
| return [self isMemberOfCharacterSet:candidate characterSet:characterSet]; | ||
| } | ||
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| + (BOOL)isMemberOfCharacterSet:(NSString*)string characterSet:(NSMutableCharacterSet*)characterSet | ||
| { | ||
| return ([string rangeOfCharacterFromSet:[characterSet invertedSet]].location != NSNotFound) ? NO : YES; | ||
| } | ||
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| + (BOOL)isNotEmpty:(NSString*)candidate | ||
| { | ||
| if ([candidate length] == 0) | ||
| { | ||
| return NO; | ||
| } | ||
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| if (![[candidate stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] length]) | ||
| { | ||
| return NO; | ||
| } | ||
| return YES; | ||
| } | ||
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| + (BOOL)isEmailAddress:(NSString*)candidate | ||
| { | ||
| NSString* emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}"; | ||
| NSPredicate* emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex]; | ||
| return [emailTest evaluateWithObject:candidate]; | ||
| } | ||
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| + (BOOL)hasMinimumLength:(NSString*)candidate length:(int)length | ||
| { | ||
| return ([candidate length] >= length) ? YES : NO; | ||
| } | ||
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| @end |
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