support more cell format syntax (#36)

TheDataShed · Apr 21, 2021 · 39d7714 · 39d7714
1 parent 55afc33
commit 39d7714
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/styles.go b/styles.go
@@ -36,7 +36,7 @@ func getFormatCode(ID int, numberFormats []numberFormat) string {
 	return ""
 }
 
-var formatGroup = regexp.MustCompile(`\[.+\]`)
+var formatGroup = regexp.MustCompile(`\[.+?\]|\\.|".*?"`)
 
 // isDateFormatCode determines whether a format code is for a date.
 func isDateFormatCode(formatCode string) bool {

diff --git a/styles_test.go b/styles_test.go
@@ -37,6 +37,13 @@ var dateFormatCodeTests = []struct {
 	{"potato", false},
 	{"0;[Red]0", false},
 	{"[Blue][<=100];[Blue][>100]", false},
+	{"[mm]:ss", true},
+	{"[Red]hh:dd;[Red]", true},
+	{"0.00E+00", false},
+	{`0.00" YYY"`, false},
+	{`"Y"YYYY"Y"`, true},
+	{`0.00\Y`, false},
+	{`YYYY\YYYYY`, true},
 	{"", false},
 }