The name field shows when you're not online.
If you leave the match field empty, it will only show you online if it finds an exact match of your name on a server.
But if you put things into the match field, then instead of using the name you entered to find if your name is online, it uses the matches you entered to look for your username. If you put "toM|vendettA" into matches, then it will only match the exact string "toM|vendettA." But if you put "*toM|vendettA," and then it will match "[cF]toM|vendettA, "[Other Clan]toM|vendettA," "toM|vendettA," etc. etc. You can put multiple matches, either exact or with * or ? wildcards, on multiple lines.