[boskid][2.0.28] Exponential notation does not parse "Ae+B" form

[Hares]

Steps to Reproduce

1. Open number input field, like in constant combinator
2. Enter "1e+5"

Expected:
Either of those:

• The result value is 10,000 (1 * 10⁵)
• The result value is 6 (1 * 10⁰ + 5)
• The result value is 5 (ignored + 5)

Actual:

• The result value is 0

See Also

• 120070: Option to disable (advanced) math expression inputs

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Why do consider this is as bug?

It's commonly used style of E-notation. I would say, it's more used than without sign, but it may be locale- or region-dependent.

[boskid]

Given that WolframAlpha accepts this notation i will consider it a valid expectation. Fixed for 2.0.29.