ORA-06502: PL/SQL: numeric or value error: character to number conversion error

hi am geting error in this function ORA-06502: PL/SQL: numeric or value error: character to number conversion error
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Helena Markováprogrammer-analystCommented:
Of course, because your input parameter is 'AA0727170', so to_number(vsInput) raises error. You have to extract number part of input parameter.

You can use something like this:
select regexp_replace('AA0727170','[^[:digit:]]') from dual;

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chalie001Author Commented:
i also what to pass a number in this function like 1254455
Helena Markováprogrammer-analystCommented:
You can add input parameter to your function like this:
chalie001Author Commented:
i use he function
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