From 960c1a5b831d8761a3e1716f86ded4cc5b67eea0 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Fri, 20 May 2022 10:36:48 +0300
Subject: Accept exponential notation for standard-error files

---
 README.org                        | 7 ++++---
 quality_control/standard_error.py | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/README.org b/README.org
index 55e70df..818f9d5 100644
--- a/README.org
+++ b/README.org
@@ -19,9 +19,10 @@ following criteria:
 - No empty data cells
 - no data cells with spurious characters like `eeeee`, `5.555iloveguix`, etc.
 - decimal numbers must conform to the following criteria:
--   - when checking an average file decimal numbers must contain exactly three places to the right side of the dot.
--   - when checking a standard error file decimal numbers must contain six or greater places to the right side of the dot.
--   - there must be a number to the left side of the dot (e.g. 0.55555 is allowed but .55555 is not).
+  - when checking an average file decimal numbers must contain exactly three places to the right side of the dot.
+  - when checking a standard error file decimal numbers must contain six or greater places to the right side of the dot.
+  - there must be a number to the left side of the dot (e.g. 0.55555 is allowed but .55555 is not).
+  - when checking the standard error file, also accept exponential notation with at least 6 decimal places e.g. 0.3423452E-13
 - check line endings to make sure they are Unix and not DOS
 - check strain headers against a source of truth (see strains.csv)
 
diff --git a/quality_control/standard_error.py b/quality_control/standard_error.py
index c866993..5489ade 100644
--- a/quality_control/standard_error.py
+++ b/quality_control/standard_error.py
@@ -12,7 +12,7 @@ def invalid_value(
     `val` is not a valid input for standard error files, otherwise, it returns
     `None`.
     """
-    if re.search(r"^[0-9]+\.[0-9]{6,}$", val):
+    if re.search(r"(^[0-9]+\.[0-9]{6,}$|^[0-9]+\.[0-9]{6,}[eE]-[0-9]+$)", val):
         return None
     return InvalidValue(
         line_number, column_number, val, (
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