Hello Prabhu, Use this in B2 & copy down.
=IF(ISNUMBER(SEARCH("Opt. ",A2)),LOOKUP(2,1/ISERROR(SEARCH("Opt. ",A$2:A2)),A$2:A2)&SUBSTITUTE(A2,"Opt. ","#"),A2) Then copy Col_B *Paste Values *in Col_A. Then after delete Col_B. HTH Haseeb -- ---------------------------------------------------------------------------------- Some important links for excel users: 1. Follow us on TWITTER for tips tricks and links : http://twitter.com/exceldailytip 2. Join our LinkedIN group @ http://www.linkedin.com/groups?gid=1871310 3. Excel tutorials at http://www.excel-macros.blogspot.com 4. Learn VBA Macros at http://www.quickvba.blogspot.com 5. Excel Tips and Tricks at http://exceldailytip.blogspot.com To post to this group, send email to excel-macros@googlegroups.com <><><><><><><><><><><><><><><><><><><><><><> Like our page on facebook , Just follow below link http://www.facebook.com/discussexcel