#import "NSString+Utilities.h"

@implementation NSString (util)

- (int) indexOf:(NSString *)text {

NSRange range = [self rangeOfString:text];

if ( range.length > 0 ) {

return (int)range.location;

} else {

return -1;

}

}

- (bool) containsString: (NSString*) substring

{

NSRange range = [self rangeOfString : substring];

bool found = ( range.location != NSNotFound );

return found;

}