Free Programming Tutorials

Editor’s note: this document is out of date and remains here for historic interest. See Synopsis 5
for the current design information.A summary of the changes in Apocalypse 5:Unchanged featuresCapturing: (…)Repetition quantifiers: *, +, and ?Alternatives: |Backslash escape: \Minimal matching suffix: ??, *?, +?ModifiersThe extended syntax (/x) is no longer required…it’s the default.There are no /s or /m modifiers (changes to the meta-characters replace them - see below). 
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