Question

I have a NSString with some text that i want to remove,this is the text that i want to remove from the NSString:

Textid="more-98989">

the number can change to another number.

Any way to do it ? Did i need Regex for this?

Answer 1

You can definitely do it wit a regular expression, but you can also do without it just as easily. Locate the initial part of the string that you would like to remove, then search for the closing "> starting at the location of the Textid=". This will give you the range of characters that needs to be removed.

NSString *myString = "Blah blah Textid="more-98989"> More stuff";
NSString *res = nil;
NSRange start = [myString rangeOfString:@"Textid=\""];
if (start.location != NSNotFound) {
    NSRange end = [myString rangeOfString:@"\">" withOptions:NSLiteralSearch range:NSMakeRange(start.Location+1, myString.length-start.location-1)];
    if (end.location != NSNotFound) {
        res = [myString stringByReplacingCharactersInRange:NSMakeRange(start.location, end.location-start.location+2) withString:@""];
    }
}
if (!res) {
    // Starting or ending tags were not found
    res = myString;
}