From 3919f0945a1d425b56f377402e0ceff6024bb81a Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Sat, 9 May 2020 15:37:11 -0700
Subject: [PATCH] ;csv: correction, that field equality trick was just a fluke

---
 hledger-lib/hledger_csv.m4.md | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/hledger-lib/hledger_csv.m4.md b/hledger-lib/hledger_csv.m4.md
index 547e61a9b..11ee7ebb9 100644
--- a/hledger-lib/hledger_csv.m4.md
+++ b/hledger-lib/hledger_csv.m4.md
@@ -893,17 +893,3 @@ use to parse input files. When all files have been read successfully,
 the transactions are passed as input to whichever hledger command the
 user specified.
 
-## Regular expression tricks
-
-### Testing that two fields have the same value
-
-```csv
-2020-01-01,different,3,4,5,6,7,8,9
-2020-01-01,same     ,3,4,5,6,7,7,9
-```
-```rules
-fields date,description,_,amount,_,_
-# skip first 6 fields, then match if the next two fields are the same
-if ^([^,]*,){6}([^,]*),\7
- comment fields 7 and 8 have the same value
-```