[TxMt] A newbie asks: How to create my own language

[Michael Sheets]

> I am referring to what comes after the word match, i.e.
>
> match = '[_]([^\\_ ]|\\.| .[^\\])*[_]';
> match = '^[^\t].*((\.|\-|\?|\:|\;|\,)\s*)';
> or
> match = '\/\/\s*.*$';

Those are regular expressions; a means to match bits of text:

http://en.wikipedia.org/wiki/Regular_Expressions

Taking your last match there for instance, it would match a forward  
slash (\/) twice, any amount of whitespace (\s*), then any characters  
or spaces at all (.*) until the end of the line ($).

As for the specific grammar TextMate uses:

http://www.macromates.com/textmate/manual/regular_expressions