Fixed bug where I checked if flag was enabled before calling flag.Parse()

main.go

@@ -23,16 +23,17 @@ func main() {
 	multiLineFlag := flag.Bool("t", false, "Multi-line mode. Treats newline just like any character.")
 	printMatchesFlag := flag.Bool("p", false, "Prints start and end index of each match. Can only be used with '-t' for multi-line mode.")
 	caseInsensitiveFlag := flag.Bool("i", false, "Case-insensitive. Disregard the case of all characters.")
-	if *caseInsensitiveFlag {
-		flagsToCompile = append(flagsToCompile, RE_CASE_INSENSITIVE)
-	}
 	matchNum := flag.Int("m", 0, "Print the match with the given index. Eg. -m 3 prints the third match.")
 	substituteText := flag.String("s", "", "Substitute the contents of each match with the given string. Overrides -o and -v")
 	flag.Parse()
 
+	// These flags have to be passed to the Compile function
 	if *multiLineFlag {
 		flagsToCompile = append(flagsToCompile, RE_MULTILINE)
 	}
+	if *caseInsensitiveFlag {
+		flagsToCompile = append(flagsToCompile, RE_CASE_INSENSITIVE)
+	}
 
 	// -l and -o are mutually exclusive: -o overrides -l
 	if *onlyFlag {