# exrex > Generate all/random matching strings for a `regex`. > It can also simplify `regex`es. > More information: . - Generate all possible strings that match a `regex`: `exrex '{{regex}}'` - Generate a random string that matches a `regex`: `exrex --random '{{regex}}'` - Generate at most 100 strings that match a `regex`: `exrex --max-number {{100}} '{{regex}}'` - Generate all possible strings that match a `regex`, joined by a custom delimiter string: `exrex --delimiter "{{, }}" '{{regex}}'` - Print count of all possible strings that match a `regex`: `exrex --count '{{regex}}'` - Simplify a `regex`: `exrex --simplify '{{ab|ac}}'` - Print eyes: `exrex '{{[oO0](_)[oO0]}}'` - Print a boat: `exrex '{{( {20}(\| *\\|-{22}|\|)|\.={50}| ( ){0,5}\\\.| {12}~{39})}}'`