the searchTarget is writed in situation that find match string position or no match string position. searchTarget support three method to search object string position:

1. match method, use set searchType is 2
2. no match method, use set searchType is 1
3. no match up method, use set searchType is 3, this value is default

for example: target.txt: test1 test2

checkfile.txt: test1 sdfdsaf test1 test2 dfsadfas test2

use match method : the searchTarget will find next string: checkfile.txt 3: test1 checkfile.txt 4: test2

the output format is : filename lineno:object string

if you use no match method: the searchTarget will find next string: checkfile.txt 1: test1 checkfile.txt 2: sdfdsaf

if you use no match up method, the searchTarget will find next string: checkfile.txt 5: dfsadfas checkfile.txt 6: test2