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| Do you know where your variables are? | |
| PerlMonks |
Re^2: [OT] Thoughts on Ruby's new absent operator?by Anonymous Monk |
| on Mar 24, 2017 at 18:30 UTC ( [id://1185817]=note: print w/replies, xml ) | Need Help?? |
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Was it really that hard to follow?
"The negative look-behind essentially looks to see if the specified expression is present and then fails if so. The absence operator, however, ensures that anything that isn’t the specified expression will match."
In Section
Meditations
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