It's just slightly different syntax, if you're trying to match lines containing specific strings, you'd use:
show configuration | match "abc|xyz"
Also, here's the documentation in case you want to get fancier: JUNOS Command Regex
It's just slightly different syntax, if you're trying to match lines containing specific strings, you'd use:
show configuration | match "abc|xyz"
Also, here's the documentation in case you want to get fancier: JUNOS Command Regex