There could be an warning dialog after clicking [OK]
IF “Regular Expressions Match New Line Characters” is checked
AND “Additional Lines to Search for Regular Expressions” is set to ‘0’
Like:
“You have chosen to use RegEx in multi line mode.
Please note that you have to set the roughly expected “Additional Lines” option too.”
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EDIT:
Or an better idea:
That two options could be somehow “grouped” by an thin frame line,
and the “Additional Lines” option could be greyed-out
while “Match New Line” is disabled,
to make the relationship better visible.
—————————————————
“[X] Regular Expressions Match New Line Characters”
“Multi Line mode search max. for [ 0 ] additional lines.”
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– – –
Or maybe these option could be set to an higher amount as ‘0’ by default.
Would be an amount of, lets say, ’30’ really that slow?
.