Testing commonoptions
column option
<RegExpr attribute="Match" context="#stay" column="5" String="\d" />
<C>
0123456789
<C>
column and firstNonSpace both set
<RegExpr attribute="Match" firstNonSpace="true" context="#stay" column="5" String="\d" />
<CFNS>
56789
1 56789
<CFNS>
firstNonSpace
<RegExpr attribute="Match" firstNonSpace="true" context="#stay" String="\d" />
<FNS>
4u
1 4u
q 4u
<FNS>
lookAhead
<StringDetect attribute="Match2" lookAhead="true" context="LT" String="aap" />
<StringDetect attribute="Match" context="#pop" String="aap" />
<L>
Daar zit een aap.
<L>