Macro get_word()?

[Bert Wesarg]

Tony Balinski wrote:
> Quoting Bert Wesarg <wesarg at informatik.uni-halle.de>:
> 
>> Yes,
>>
>> this is my actual code, to check if $cursor is on a right word boundary:
>>
>> define is_right {
>>     rwb = -1
>>     if ($cursor > 0) {
>>         rwb = search(">", $cursor - 1, "forward", "regex")
>>     } else if ($cursor < $text_length) {
>>         rwb = search(">", $cursor + 1, "backward", "regex")
>>     }
>>     if ($cursor != rwb) {
>>         return 0
>>     }
>>     return 1
>> }
> 
> You want a predicate to test the current position.
> Why not just:
>      return search(">", $cursor, "regex")
Hmm, never tried this, but it works, thanks

Bert

> which is much the same as
>      return search("(?<=\\w)(?=\\W|$)", $cursor, "regex") == $cursor
> 
> Likewise for lwb: "<" or "?<=^|\\W)(?=\\w)"
> 
> Tony