<human>:  Python match string if it does not start with X
<bot>: Here is some code to search for string that matches regular expression pattern '(?<!Distillr)\\\\AcroTray\\.exe' in string 'C:\\SomeDir\\AcroTray.exe'

re.search('(?<!Distillr)\\\\AcroTray\\.exe', 'C:\\SomeDir\\AcroTray.exe')

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.