Question 1

What isinvisiblecharacters？

Accepted Answer

invisiblecharactersisinTextinbutnotdisplaycharacters, includingzeroSpace（U+200B）、Zero-width joiner（U+200D）、BOMmark（U+FEFF）、tab、lines, various characters, etc.possiblyTextcomparefailed、searchorFormat。

Question 2

whyCopypasteText will issue？

Accepted Answer

from、PDForWordCopyTexthaveinvisiblecharacters, such aszeroSpaceorspecialSpace。 these charactersinvisible，but will code、dataqueryfailed、Textcompareunequal.issue。usingToolcanDetectclear these hiddencharacters。

Question 3

this Tool will deletelines andSpace？

Accepted Answer

will not 。default，Tooldeleteinvisiblecharacters (zerocharacters, BOM、characters, etc.），keepSpace、tabandlines。alsocanselectkeepordeleteTypecharacters。