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@michaeleisel
Created February 11, 2014 00:31
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-(NSArray*)objectForKeyedSubscript:(NSString*)pattern
{
NSError *error;
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:pattern options:0 error:&error];
NSAssert( ! error, @"regex processing error");
NSMutableArray *strings = [NSMutableArray new];
NSArray *matches = [regex matchesInString:self options:0 range:self.fullRange];
for(NSTextCheckingResult *match in matches) {
for (NSInteger i = 0; i < match.numberOfRanges; i++) {
NSRange range = [match rangeAtIndex: i];
NSString *substring = [self substringWithRange: range];
[strings addObject: substring];
}
}
return strings.count == 0 ? nil : strings;
}
-(id)setObject:(NSString*)newPattern forKeyedSubscript:(NSString*)oldPattern
{
NSError *error;
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:oldPattern options:0 error:&error];
NSAssert(! error, @"Regex processing error");
NSString *newString = [regex stringByReplacingMatchesInString:self options:0 range:self.fullRange withTemplate: newPattern];
return newString;
}
@michaeleisel
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dope

@eimantas
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One of the most creative ways to use subscript on strings .)

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