# Step by step

0. Open an HTML document
1. CMD/CTRL + F to activate the Search&Replace tool
2. Switch RegEX mode by clicking the `.*` button
3. Paste one of the expressions below to select attributes within your HTML document
4. `Replace` or `Replace all`

## Select `class` attributes
`class=(")([-0-9a-zA-Z:]*[ 0-9a-zA-Z;]*)*(")`

## Select `id` attributes
`id=(")([-0-9a-zA-Z:]*[ 0-9a-zA-Z;]*)*(")`

... you get the gist ;)