ColdFusion Rereplace

I am trying to replace some some words from the url but getting the error message Malformed regular expression "?target=(top|bottom)".

The url is http://www.kidstuffcatalog.com/return.cfm?target=top

the CF rereplace #rereplace(cookie.lastpage, "?target=(top|bottom)", "","ALL")#

ColdFusion LanguageWeb DevelopmentWeb Languages and StandardsWeb Servers

Last Comment

_agx_

8/22/2022 - Mon

_agx_

8/17/2016

The "?" is a special character in regex's and needs to be escaped:

reReplaceNoCase(cookie.lastpage, "\?target=(top|bottom)", "","ALL")

Terry Woods

8/18/2016

To explain why the error occurred, the meaning of the ? in a regex is to make the previous character or capturing group optional, which is why the pattern gives an error when the ? is the first character.

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_agx_

8/18/2016

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