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1
Regular Expression
ECMAScript (JavaScript)
/
^
\(
{1,4}
[
9
]
[
\*\-\+\/
]
[
9
]
\)
?
[
\*\-\+\/
]
[
9
]
\)
{0,2}
[
\*\-\+\/
]
[
9
]
\)
{0,1}
/
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Description
Using exactly four 9s and no other digits, write an equation which evaluates to 100
Submitted by
GMiller
-
9 years ago