[vox-tech] some excercise for you linux geek.

[Chan Yan Huang]

what will be matched by following regular expressions? and explain if you
have time

xx*

x\{1,5\}

x\{5,\}

x\{10\}

[0-9]\{3\}

[0-9]\{1,3\}, [0-9]\{3\}

^\...

\([A-Za-z0-9]\{1,\}\)\1

^Begin$

^\(.\).*\1$