Regex apparently needs escaping

sanityCheck.sh

@@ -114,9 +114,9 @@ $GREP "span class=[^\"\']" -- src/*.js ':!src/001-lib/Jquery/Jquery.js' | myprin
 	$GREP "\$\(PC\|activeSlave\|slaves\|tanks\)[.][^a-zA-Z]" | myprint "UnexpectedCharAfterDot"
 )
 # Check for lines with only "let"
-$GREP [^A-Za-z]let(\r|\n) | myprint "WrongLetStyle"
+$GREP '[^A-Za-z]let(\r|\n)' | myprint "WrongLetStyle"
 # Check for lines with only "const"
-$GREP const(\r|\n) | myprint "WrongConstStyle"
+$GREP 'const(\r|\n)' | myprint "WrongConstStyle"
 
 # Check that all the tags are properly opened and closed & a lot of other stuff
 java -jar devTools/javaSanityCheck/SanityCheck.jar