> Le 11 déc. 2019 à 21:58, Chuck Miller via 4D_Tech <4d_tech@lists.4d.com> a
> écrit :
>
> Hi all,
>
> I am finally ready to update buttons in a v17 db. The code below I think
> worked in v15 but does not seem to work in v17
> $meth_txt = method text
> $start_L:=1
> array long integer($start_aLp;0)
> array long integer($len_aL;0)
> Match regex("\r(_o_ENABLE BUTTON)(\\()(.*)(\\))(.*)\r”;
> $meth_txt;$start_L;$start_aL;$len_aL)
>
> What is wrong with my regex command.
Hi Chuck,
I can't say what's wrong, regex is hard to read for me and with 4D's double \\
it's worse… I often develop in BBEdit, then paste in 4D to avoid this - even if
regex engines are a bit different.
I'd use this:
$rx_t:="^_o_ENABLE BUTTON\\((\\*;)?(.*)\\)"
example:
$test_c:=New collection()
$test_c.push("_o_ENABLE BUTTON(buttonVar)")
$test_c.push("_o_ENABLE BUTTON($var)")
$test_c.push("_o_ENABLE BUTTON(*;\"buttonName\")")
$test_c.push("_o_ENABLE BUTTON(*;$name)")
$rx_t:="^_o_ENABLE BUTTON\\((\\*;)?(.*)\\)"
ARRAY LONGINT($pos_al;0)
ARRAY LONGINT($len_al;0)
For each ($test_t;$test_c)
ASSERT(Match regex($rx_t;$test_t;1;$pos_al;$len_al))
End for each
I'm not sure the starting anchor "^" suits your case, it depends on how you
manage the method. For my own, I always split code in lines before, then I loop
on lines. Split string command is nice for that (too bad it's slow).
--
Arnaud de Montard
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