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remove al text in a file after a given text

Posted By:      Posted Date: September 13, 2010    Points: 0   Category :.NET Framework
I am reading a text from a file which contains lot of new lines . i want to replace all the text after certain words. here is my example: i want to remove all the text after the word "==See also==" iclopedy of Philosophy'].</ref> The diversity in anarchism has led to widely di fferent use of identical terms among different anarchist traditions, which has l ed to many [[Issues in anarchism#Definitional concerns|definitional concerns in anarchist theory]]. ==See also== {{Anarchism portal}} {{main|Outline of anarchism}} * [[Anarchist symbolism]] ==Footnotes== {{reflist|3}} ==Further reading== {{main|List of anarchist books}} * '[[Anarchism. A Documentary History of Libertarian Ideas]].' [[Robert Graham  (historian)|Robert Graham]], editor. ** 'Volume One: From Anarchy to Anarchism (300CE to 1939)' Black Rose Books, M ontréal and London 2005. ISBN 1551642506. ** 'Volume Two: The Anarchist Current (1939-2006)' Black Rose Books, Montréal 2007. ISBN 9781551643113. * 'Anarchism', [[George Woodcock]] (Penguin Books, 1962). {{oclc|221147531}}. * 'Anarchy: A Graphic Guide', [[Clifford Harper]] (Camden Press, 1987): An ove rview, updating Woodcock's classic, and illustrated throughout by Harper's woodc

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