Ciao Mohammad

As it is it has little utility. I included it for learning purposes. A very 
simple case that illustrates what Negative Classes do.

I don't know how much regex users have, so I think for docs its useful to 
give some really simple examples and then build from them.

Best wishes
TT

Mohammad wrote:
>
>  How we can use this in a real case? Not starting with $ sign means all 
> ordinary tiddlers!
>
>>
>> Match titles NOT starting "$"
>>
>> *^[^\$]*
>>
>>
>> *"^"* = start of scope, in this case the start of the title field
>> *"[^"* = inside a character class, in first position, *"^"* means "match 
>> the negation" of the following character(s)
>> *"\$"* = match the character "$" literally
>> *"]" *= close character class
>>
>

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