Removing a non-static section of a file name

Hi, I need help removing a section of a file name where the values from "InvAmt:" up to "Desc:" need to be removed from the file name. The values between "InvAmt" & "Desc:" vary between files.

Example:

Original File Name:
2012-11-24 Vnd#: EQUUS Acc #: 2106230 Inv#: 1259069-RM InvDte: 2012-10-31 InvAmt: -107.00 Payee: ASI-BBT0535 Ck#: 007609 CkDate: 2012-11-24 Ck Amt: 11.52 Desc: NOBLEVIEW SN:Z9NW817V1148 - RMA Link: NA

Need to Remove:
"InvAmt: -107.00 Payee: ASI-BBT0535 Ck#: 007609 CkDate: 2012-11-24 Ck Amt: 11.52"

Resulting File Name:
2012-11-24 Vnd#: EQUUS Acc #: 2106230 Inv#: 1259069-RM InvDte: 2012-10-31 Desc: NOBLEVIEW SN:Z9NW817V1148 - RMA Link: NA

Any suggestions would be greatly appreciated!

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Reply to #1:
Try to add the replace method, check Use regular expressions and use this pattern:
InvAmt.*Desc

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