Good day!

Here is two pcretest.exe listings:


PCRE version 8.11 2010-12-10
/\A.*?(?:a|b(*THEN)c)/
ba
No match


PCRE version 8.11 2010-12-10
/\A.*?(?:a|b(*THEN)c|d)/
ba
 0: ba

Why first expression is not match? And why adding a third alternative caused expression to match?
Is it a planned behaviour?

As i can see in documentation about (*THEN), "it cancels pending backtracking, but only within the current alternation". Why it cancels a backtracking to ".*?" ?

Thanx.

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