fix - was not reading in and setting can be blank values. take <rest>…

… off example regex and make sure they are good. more explanation of regex in read.me put sub-accounts into import-to-account list for user.

README.md

@@ -46,12 +46,29 @@ It populates "Select Import File:" dropdown with my list of files that match my
 
 ** regex field parsing changed in v21 to hopefully give more flexibility. you need to use "named capture groups", as in: 
 
-"?(?<value>.*?)"?(?:[,]|\Z)(?<rest>.*)
-
-```java
 value = what string you want to pull out for the field value.
 rest = is left over line to parse next.
 
+```java
+"?(?<value>.*?)"?(?:[,]|\Z)(?<rest>(.*|\Z))        will handle basic csv parsing
+
+"(?<value>.*?)"(?:[,]|\Z)(?<rest>(.*|\Z))       I had to do this to get amount within "123,456.78"
+
+"?(?<value>.*?)"?(?:[,]|\Z)     final list for "ignore rest"
+
+(?:CHECK[ ](?<value>\d*)|(.{0,0}))(?<rest>.*)   This actually adds an extra column. 
+
+it will parse 
+04/10/2018,CHECK 0001234,,"($530.46)","$123"
+04/04/2018,Insurance,PREM,"($467.30)","$5"
+
+into
+04/10/2018,1234,         ,    ,"($530.46)","$123"
+04/04/2018,    ,Insurance,PREM,"($467.30)","$5"
+
+
+How it parses a whole line:
+
 if you have this line:
 01/14/2018,check 3000,My Store,$123.40,whatever