Regex working at #regex pork, but not in .net

Question

I have the followign Regex:

/(?<=SOMEMETHOD\(|\G)\s*((['"]).+?(?<!\\)\2|\{[^}]+\}|[^,;'"(){}\)]+)\s*(?:,|\))/g

I tested it on IRC #Regex, and it works.

!regex (function() { new SOMEMETHOD('Parameter 1','parameter2',{"json1":0,"json2":14962,"json3":false,"json4":'hej'},lastparameter); morecode(); ests sts st /(?<=SOMEMETHOD(|\G)\s*((['"]).+?(?
[Result: 4] [0:-?: ] [1:90-102: 'Parameter 1'] [2:90-90: '] [3:104-115: 'parameter2'] [4:104-104: '] [5:117-169: {"json1":0,"json2":14962,"json3":false,"json4":'hej'}] [6:171-183: lastparameter]

It dont work in .net though:

        string pattern = @"/(?<=SOMEMETHOD\(|\G)\s*((['""]).+?(?<!\\)\2|\{[^}]+\}|[^,;'""(){}\)]+)\s*(?:,|\))/g";

        var t = Regex.Match(e.Document, pattern);

I dont know if its an escaping problem of some chars.

In what way doesn't it work, what specific error are you getting? No matches? Exception? — Karl Nicoll
– Karl Nicoll, Commented Jul 31, 2011 at 22:50

Guffa · Accepted Answer · 2011-07-31 22:51:54Z

2

The pattern shouldn't contain the / at the beginning and the /g at the end. That is the syntax for declaring a literal regular expression object.

string pattern = @"(?<=SOMEMETHOD\(|\G)\s*((['""]).+?(?<!\\)\2|\{[^}]+\}|[^,;'""(){}\)]+)\s*(?:,|\))";

answered Jul 31, 2011 at 22:51

Guffa

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