Regex Find matched String from last

Question

I have following String

Copy(objid1,objid2)

and i am using following regex for match

objid(?<id>\d{0,3})

however i looking output objid2 and this regex returns objid1.

Is there any change would i do to find my desired output. I thought that i will return all matched sub strings but returns only first one However i need only last matched sub string.

I don't want to use any sub string function as i don't know exact length to find .

Thanks in advance.

Edit:

Please see my try.

Match output = Regex.Match("Copy(objid1,objid2)", @".*(objid(?<id>\d{0,3}))", RegexOptions.Singleline | RegexOptions.IgnoreCase); //objid(?<id>\d{0,3})

                    if (output.Success)
                    {
                        String ProcessString = ((System.Text.RegularExpressions.Capture)(output.Groups[0])).Value;//output.Value;
    }

Avinash Raj · Accepted Answer · 2014-11-19 05:01:45Z

1

Put a .* before the pattern you mentioned inorder to get the last match.

@".*(objid(?<id>\d{0,3}))"

DEMO

Get the string you want from group index 1.

To get a last match in the multiline string, you need to enable DOTALL modifier.

(?s).*(objid(?<id>\d{0,3}))

DEMO

answered Nov 19, 2014 at 5:01

Avinash Raj

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3 Comments

Jankya Over a year ago

This returns me String Copy(objid1,objid2 not objid2

Avinash Raj Over a year ago

print the group index 1 instead of index 0.

Avinash Raj Over a year ago

that is change Groups[0] to Groups[1]

vks · Accepted Answer · 2014-11-19 05:08:49Z

1

,objid(?<id>\d{0,3})(?![^,)]*,)

Try this.See demo.

http://regex101.com/r/lZ5mN8/26

edited Nov 19, 2014 at 5:08

answered Nov 19, 2014 at 5:00

vks

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