How to get only the number from a alphanumeric String in ColdFusion

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 If the input contains numbers and characters, and we need to get only the numeric part from that, we can use reReplace Function in Coldfusion like this:


<cfset test = "rtf4545">

<cfset result = reReplace(trim(test),"[^0-9\.]+","","All")>

<cfoutput>#result#</cfoutput>


Output:

4545

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