same variable inside regex pattern

Question

I want to use same variables in regexp pattern.

string Pattern = "<li.*?class=\".*?item\".*?>.*?<a.*?href=\"(?<link>.*?)\">(?<a1>.*?)>(?<title>.*?)(a1)";

e.g if there is "<span>" in a1 ,after the title variable the "<span>"should become.

Anirudha · Accepted Answer · 2012-11-11 12:10:41Z

1

If you need to reference a previously captured group

Use

\index//where index is the group number

OR

\k<name>//where name is the name of the group

So in your case it should be \k<a1>

Also regex is not used for parsing HTML

Use htmlagilitypack

answered Nov 11, 2012 at 12:10

Anirudha

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2 Comments

RockOnGom Over a year ago

\k<a1> k unrecognized escape sequence.

Anirudha Over a year ago

@alikoyuncu use it with @"\k<name>"..@ denotes a verbatim string which treat escape characters as literals..this happens cuz \ before any character is treated as a special character..so you need to escape that check with @

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