ANSWER TO BIFF
When i run this formula, i do not get the true value that you do :
=ISNUMBER(FIND(B5,C$1:C$154))
<TABLE cellSpacing=0 cellPadding=0 width=957 border=0><COLGROUP><COL style="WIDTH: 185pt; mso-width-source: userset; mso-width-alt: 9033" width=247><COL style="WIDTH: 250pt; mso-width-source: userset; mso-width-alt: 12178" width=333><COL style="WIDTH: 283pt; mso-width-source: userset; mso-width-alt: 13787" width=377><TBODY><TR style="HEIGHT: 15.75pt" height=21><TD style="WIDTH: 185pt; HEIGHT: 15.75pt" align=middle width=247 height=21>FALSE</TD><TD class=xl66 style="WIDTH: 250pt" width=333>1002294</TD><TD class=xl69 style="WIDTH: 283pt" width=377>SAP/0000500114</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl66 style="BORDER-TOP: medium none">500198</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0000500114</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl66 style="BORDER-TOP: medium none">500258</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0000500114</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl66 style="BORDER-TOP: medium none">3910</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0000501525</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl67 style="BORDER-TOP: medium none">500114</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0000501525</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl66 style="BORDER-TOP: medium none">501397</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0000501525</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl68 style="BORDER-TOP: medium none">1000229</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0001000452</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl68 style="BORDER-TOP: medium none">500182</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0001004563</TD></TR><TR style="HEIGHT: 15.75pt" height=21><TD style="HEIGHT: 15.75pt" align=middle height=21>FALSE</TD><TD class=xl68 style="BORDER-TOP: medium none">500146</TD><TD class=xl69 style="BORDER-TOP: medium none; WIDTH: 283pt" width=377>SAP/0001004563</TD></TR></TBODY></TABLE>