Impossible to escape / in Wait regex

[3v1n0]

Describe the bug

Using Wait+Screen /foo\\/bar/ or something vhs fails with

22 │ Wait+Screen /foo\\\/bar/
        	            	                  ^^^^^^ Invalid regular expression 'foo\\\': error parsing regexp: trailing backslash at end of expression: ``
        	            	
        	            	 22 │ Wait+Screen /foo\\\/bar/
        	            	                          ^^^^ Invalid command: bar/

Or similar using a single-escape:

22 │ Wait+Screen /foo\/bar/
        	            	                  ^^^^ Invalid regular expression 'foo\': error parsing regexp: trailing backslash at end of expression: ``
        	            	
        	            	 22 │ Wait+Screen /foo\/bar/
        	            	                        ^^^^ Invalid command: bar/

The only way to check it is using \x{2F} instead of /