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Regular Expression
/
(?=\{Infobox)(\{([^{}]|(?1))*\})
/
gm
Input 1
New
<?xml version="1.0"?><api><query><pages><page pageid="5843419" ns="0" title="France"><revisions><rev contentformat="text/x-wiki" contentmodel="wikitext" xml:space="preserve">{{about|the country}} {{Use dmy dates|date=November 2013}} {{EngvarB|date=November 2013}} {{see also|Portal:France{{!}}France portal|Outline of France}} {{pp-semi|small=yes}}{{pp-move-indef}} {{Infobox country |conventional_long_name = French Republic |native_name = {{native name|fr|République française|icon=no}} |common_name = France |image_flag = Flag of France.svg |demonym = French |government_type = [[Unitary state|Unitary]] [[Semi-presidential system|semi-presidential]] [[republic|constitutional republic]] |leader_title1 = [[President of France|President]] |leader_name1 = [[François Hollande]] |calling_code = [[Telephone numbers in France|+33]]{{refn|group=note|name=eleven|The overseas regions and collectivities form part of the [[French telephone numbering plan]], but have their own country calling codes:
Extraction
<?xml version="1.0"?><api><query><pages><page pageid="5843419" ns="0" title="France"><revisions><rev contentformat="text/x-wiki" contentmodel="wikitext" xml:space="preserve">{{about|the country}} {{Use dmy dates|date=November 2013}} {{EngvarB|date=November 2013}} {{see also|Portal:France{{!}}France portal|Outline of France}} {{pp-semi|small=yes}}{{pp-move-indef}} {{Infobox country |conventional_long_name = French Republic |native_name = {{native name|fr|République française|icon=no}} |common_name = France |image_flag = Flag of France.svg |demonym = French |government_type = [[Unitary state|Unitary]] [[Semi-presidential system|semi-presidential]] [[republic|constitutional republic]] |leader_title1 = [[President of France|President]] |leader_name1 = [[François Hollande]] |calling_code = [[Telephone numbers in France|+33]]{{refn|group=note|name=eleven|The overseas regions and collectivities form part of the [[French telephone numbering plan]], but have their own country calling codes: