# Grep for Two or More Expressions

Unfortunately a database of mine crashed. Fortunately, I have log files with the data. I need the timestamp and the data.

The lines in the log files look something like this: ####### collect $TIMESTAMP ######### *GARBAGE *GARBAGE *GARBAGE$ID:=\$DATASET *GARBAGE

It's been years since I've done anything more than a simple grep. I wasn't even sure which grep I needed... egrep? fgrep? grep?

I can use this regex for the timestamp line:

bash

I can use this regex for the dataset line:

bash

But how can I put them together? It's probably of no surpise that I can use the '|' operator like so:

`bash