Fails to parse regex starting with space

[Ricket]

Regression of #607

See that ticket. There was a test written, but it looks like it got scrapped at some point. The following test fails to compile, for example, despite the parentheses:

ok ' '.match(/ /)[0] is ' '

Currently a workaround is to use /[ ]/ but is it possible to fix this (again) to allow a regex beginning with a space?

[jashkenas]

but it looks like it got scrapped at some point

I bet there was a reason for that. Mind searching through the tickets, and looking it up?

[xixixao]

I'd vote for being consistent rather than clever in this case. The code is pretty clear on it, though I haven't searched for the originating issue.

[elclanrs]

This fails too, it is the space the problem then, I though it was the arrow.

regex = / -> /
regex.test ' -> '