Extract Method (String, String, String)

Response Extract Method (String, String, String)

C# API

Extracts text from the response content - everything between (but not including) the specified before and after string objects - returning the defaultValue if they cannot be found.

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

Syntax

C++

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public string Extract(
	string before,
	string after,
	string defaultValue
)

public string Extract(
	string before,
	string after,
	string defaultValue
)

Parameters

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

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

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

Return Value

The extracted text, or defaultValue if the extract failed.

Remarks

Note
The search is case-sensitive.

Examples

The following example demonstrates extracting text from a HTML Response.

C++

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Response response = request.Send();

// 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.Extract(
                        "value=\"",
                        "\"",
                        "Joe Jones");

Response response = request.Send();

// 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.Extract(
                        "value=\"",
                        "\"",
                        "Joe Jones");