ExtractFromEnd Method (ExtractionCursor, String, String, String, Boolean, SearchFlags)

Response ExtractFromEnd Method (ExtractionCursor, String, String, String, Boolean, SearchFlags)

C# API

Extracts text from the response content, starting from the end. Everything between (but not including) the specified after and before string objects will be returned. If either value cannot be found, the defaultValue will be returned.

Namespace: Facilita.Web
Assembly: clrWebBrowser (in clrWebBrowser.dll) Version: 9.5.7.98 (1.0.0.0)

Syntax

C++

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public virtual string ExtractFromEnd(
	ExtractionCursor cursor,
	string after,
	string before,
	string defaultValue,
	bool caseSensitive,
	SearchFlags matchFlags
)

public virtual string ExtractFromEnd(
	ExtractionCursor cursor,
	string after,
	string before,
	string defaultValue,
	bool caseSensitive,
	SearchFlags matchFlags
)

Parameters

cursor: Type: Facilita.Native ExtractionCursor
An ExtractionCursor object to store the success/failure of the action, and the index in the response at which the match was found.

after: Type: System String
This text is searched for in the response content, and the returned string starts immediately before this text occurs in the content.

before: Type: System String
This text is searched for in the response content after the after text has been found, and the returned string ends immediately after this text occurs in the content.

defaultValue: Type: System String
The value to return if either the before or after text cannot be found.

caseSensitive: Type: System Boolean
true if the search should be case-sensitive.

matchFlags: Type: Facilita.Web SearchFlags
An SearchFlags enumerated value to indicate what should be searched: SEARCH_IN_BODY, SEARCH_IN_HEADERS or SEARCH_IN_BOTH.

Return Value

The extracted text, or defaultValue if the extract failed.

Remarks

Information about the success/failure of this method will be stored in the ExtractionCursor object passed.

Examples

The following example demonstrates extracting text from a HTML Response.

C++

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Response response = request.Send();
ExtractionCursor cursor = new ExtractionCursor();

// extract the value from the HTML text, defaulting to "Joe Jones" if the value cannot be found 
// <input type="text" name="f_customer" size="32" maxlength="32" value="Joe Smith"> 
string extractedText = response.ExtractFromEnd(
                        cursor,
                        "\"",
                        "value=\"",
                        "Joe Jones",
                        true,
                        SearchFlags.SEARCH_IN_BOTH);

if (cursor.Succeeded)
{
    WriteMessage(string.Format("The value {0} was found at position {1}", extractedText, cursor.Index));
}

Response response = request.Send();
ExtractionCursor cursor = new ExtractionCursor();

// extract the value from the HTML text, defaulting to "Joe Jones" if the value cannot be found 
// <input type="text" name="f_customer" size="32" maxlength="32" value="Joe Smith"> 
string extractedText = response.ExtractFromEnd(
                        cursor,
                        "\"",
                        "value=\"",
                        "Joe Jones",
                        true,
                        SearchFlags.SEARCH_IN_BOTH);

if (cursor.Succeeded)
{
    WriteMessage(string.Format("The value {0} was found at position {1}", extractedText, cursor.Index));
}