regular expression replaceif the thereis a non alpha numeric charters at the end of the string

I wnat to replace with empty string if there is an apha numeric character at the end of the string
Angela4evaAsked:
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Angela4evaAuthor Commented:
I want to replace that chacters only

test1234*
then  return test1234
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Rgonzo1971Commented:
Hi,

pls try

"test1234*".Replace("\W$", "");

Regards
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Terry WoodsIT GuruCommented:
@Rgonzo1971's solution allows underscore characters to remain at the end of the string. It also only removes the last non-alphanumeric character when there are more than one. To fix both those issues, use:
"test1234*".Replace("[^a-zA-Z0-9]+$", "");

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