expression regulieres

Je ne parviens pas a detecter par exemple le premier "2" de :

GConf2-2.18.0.1-2.fc7.i386.rpm
'\(.*[2]\)'     detecte le dernier "2" (tout comme '\(.*2\)')
et :
'\(.*2?\)'

ne trouve rien !!!

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Patrick Dupré                                              pd520@???
University of York                                  Department of Chemistry
Heslington, York               YO10 5DD                      United Kingdom
Phone: +44-(0)-1904-434589                         Fax: +44-(0)-1904-432516
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