From 304bae700facc5b9fd801e007d91b8f8e6245f86 Mon Sep 17 00:00:00 2001
From: davep80 <davidpaq1@gmail.com>
Date: Sun, 13 Aug 2023 14:31:13 -0400
Subject: [PATCH 1/4] function to validate a string is in C, S, V format

---
 src/lib/isCSV.js | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/lib/isCSV.js

diff --git a/src/lib/isCSV.js b/src/lib/isCSV.js
new file mode 100644
index 000000000..c8974b311
--- /dev/null
+++ b/src/lib/isCSV.js
@@ -0,0 +1,7 @@
+import assertString from './util/assertString';
+
+export default function isCSV(str) {
+  assertString(str);
+  const regex = /^(\s*[\w\d\s-]+\s*,\s*)*[\w\d\s-]+\s*$/;
+  return regex.test(str);
+}
\ No newline at end of file

From d337931d86da6edf16bd680469d163d6c9a28718 Mon Sep 17 00:00:00 2001
From: davep80 <davidpaq1@gmail.com>
Date: Sun, 13 Aug 2023 14:36:35 -0400
Subject: [PATCH 2/4] new line formatting

---
 src/lib/isCSV.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/lib/isCSV.js b/src/lib/isCSV.js
index c8974b311..7af0da07c 100644
--- a/src/lib/isCSV.js
+++ b/src/lib/isCSV.js
@@ -1,7 +1,7 @@
 import assertString from './util/assertString';
 
 export default function isCSV(str) {
-  assertString(str);
-  const regex = /^(\s*[\w\d\s-]+\s*,\s*)*[\w\d\s-]+\s*$/;
-  return regex.test(str);
-}
\ No newline at end of file
+    assertString(str);
+    const regex = /^(\s*[\w\d\s-]+\s*,\s*)*[\w\d\s-]+\s*$/;
+    return regex.test(str);
+}

From 55a6a4146f55464953be8d2dd34103cb1bdf743c Mon Sep 17 00:00:00 2001
From: davep80 <davidpaq1@gmail.com>
Date: Sun, 13 Aug 2023 14:44:09 -0400
Subject: [PATCH 3/4] regex refactor

---
 src/lib/isCSV.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/isCSV.js b/src/lib/isCSV.js
index 7af0da07c..747a106bf 100644
--- a/src/lib/isCSV.js
+++ b/src/lib/isCSV.js
@@ -2,6 +2,6 @@ import assertString from './util/assertString';
 
 export default function isCSV(str) {
     assertString(str);
-    const regex = /^(\s*[\w\d\s-]+\s*,\s*)*[\w\d\s-]+\s*$/;
+    const regex = /^(?:\s*[\w\d\s-]+(?:\s*,\s*|$))+$/;
     return regex.test(str);
 }

From 078d07ba11c9bd8fec51dbde1390faf7f4333003 Mon Sep 17 00:00:00 2001
From: davep80 <davidpaq1@gmail.com>
Date: Sun, 13 Aug 2023 14:48:35 -0400
Subject: [PATCH 4/4] indentations

---
 src/lib/isCSV.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/lib/isCSV.js b/src/lib/isCSV.js
index 747a106bf..8160a96d5 100644
--- a/src/lib/isCSV.js
+++ b/src/lib/isCSV.js
@@ -1,7 +1,7 @@
 import assertString from './util/assertString';
 
 export default function isCSV(str) {
-    assertString(str);
-    const regex = /^(?:\s*[\w\d\s-]+(?:\s*,\s*|$))+$/;
-    return regex.test(str);
+  assertString(str);
+  const regex = /^(?:\s*[\w\d\s-]+(?:\s*,\s*|$))+$/;
+  return regex.test(str);
 }