wordpress - htaccess 301 for new page name across all subdomains -

i'm running wordpress multisite network multiple sites across subdomains. need change url of page copied across of them , setup redirect old url.

examples:
xyz.site.com/about-our-group redirect xyz.site.com/about abc.site.com/about-our-group redirect abc.site.com/about

how can achieve in .htaccess file?

you can use rule first rule below rewritebase line:

rewriterule ^about- /about [l,nc,r=301]