How to write match nth grouped subexpression?

Hi, It says that: match checks for a match only at the beginning of the string. Then, it also says that: \1...\9Matches nth grouped subexpression. I don't know how to write a script to include grouped subexpression in match? Thanks, --

Re: How to write match nth grouped subexpression?

On 10Jul2014 01:57, rxjw...@gmail.com rxjw...@gmail.com wrote: It says that: match checks for a match only at the beginning of the string. Then, it also says that: \1...\9Matches nth grouped subexpression. I don't know how to write a script to include grouped subexpression in match? A