#Retina , (削除) 7 (削除ここまで) 6 bytes

!`.0*$

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Output matches of a digit followed by any zeros at the end of the input string. Though not required, this also happens to work for 0.

Retina , (削除) 7 (削除ここまで) 6 bytes

!`.0*$

Try it online (all test cases)

Output matches of a digit followed by any zeros at the end of the input string. Though not required, this also happens to work for 0.

#Retina, 7 bytes

!`\d0*$

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Output matches of a digit followed by any zeros at the end of the input string. Though not required, this also happens to work for 0.

#Retina, (削除) 7 (削除ここまで) 6 bytes

!`.0*$

Try it online (all test cases)

Output matches of a digit followed by any zeros at the end of the input string. Though not required, this also happens to work for 0.

#Retina, 7 bytes

!`\d0*$

Try it online

Output matches of a digit followed by any zeros at the end of the input string

#Retina, 7 bytes

!`\d0*$

Try it online (all test cases)

Output matches of a digit followed by any zeros at the end of the input string. Though not required, this also happens to work for 0.