Get NSArray matches with NSRegularExpression

readme.txt

//Sample

NSError *error = nil;
NSString *pattern = @"!.*!";
NSString *data = @"Lorem ipsum !dolor! sit amet, consectetur !adipisicing! elit";

NSRegularExpression * regex = [NSRegularExpression regularExpressionWithPattern:pattern
                                                   options:NSRegularExpressionCaseInsensitive error:&error];
        
NSArray * matches = [regex matchWithString:data];
NSLog(@"%@", matches);

NSRegularExpression.h

#import <Foundation/Foundation.h>

@interface NSRegularExpression (regularExpression)

- (NSArray*) matchWithString:(NSString*)data;

@end

NSRegularExpression.m

#import "NSRegularExpression.h"

@implementation NSRegularExpression (regularExpression)

- (NSArray*) matchWithString:(NSString*)data
{
    NSMutableArray *results = [NSMutableArray array];

    NSArray *matches = [self matchesInString:data
                                     options:0
                                     range:NSMakeRange(0, [data length])];

    for (NSTextCheckingResult *match in matches) {
        NSMutableArray *result = [NSMutableArray array];
        NSRange matchRange = [match range];
        NSString *numString = [data substringWithRange:matchRange];
        [result addObject:numString];

        for (int i=1;i < (int)match.numberOfRanges;i++) {
            NSRange range = [match rangeAtIndex:i];

            @try {
                NSString *numString = [data substringWithRange:range];
                [result addObject:numString];
            }
            @catch (NSException *exception) {
                [result addObject:[NSNull null]];
            }
        }
        [results addObject:result];
    }

    return [results count] > 1 ? results : [results objectAtIndex:0] ;
}

@end