This category contains pages that are part of the * Regular Expressions* book. If a page of the book isn't showing here, please add text

`{{bookcat}}`

to the end of the page concerned. You can view a list of all subpages under the book main page (not including the book main page itself), regardless of whether they're categorized, here.The following 28 pages are in this category, out of 28 total.

### E

### O

- Regular Expressions/operator/asterisk
- Regular Expressions/operator/backslash
- Regular Expressions/operator/box
- Regular Expressions/operator/careted box
- Regular Expressions/operator/character range
- Regular Expressions/operator/dot
- Regular Expressions/operator/hook
- Regular Expressions/operator/parentheses
- Regular Expressions/operator/pipe