Re: RegEx in language reference

[Mark Nutter <manutter51 at yahoo dot com>]

--- Markus Winter <markus_winter at blueyonder dot co dot uk>
wrote:

> I¹m just not getting this ­ is it me or is it the
> language reference?
> 
> >From the language reference:
> 
> 
>   The Alternation Operator
> 
>   The alternation operator (|) allows you to match
> any of a number of
>   patterns using the logical "or" operator. Place it
> between two existing
>   patterns to match either pattern. You can use more
> than one alternation
>   operator in a pattern:
> 
>   Pattern                      Matches
>   \she\s                       \sshe\s
>   cat                            dog
>   ([0-9,]+\sB\.C\.)      ([0-9,]+\sA\.D\.) or
> [0-9,]+\s((B\.C\.)

Don't worry, it's not you.  That portion of the
language reference is complete gibberish.

The alternation operator is simply an "or" operator.

Pattern               Matches
(a|b)                   a or b
(a+|ab)               a or aa or aaa or ab etc
(jan|feb|mar)      jan or feb or mar


Mark Nutter

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http://www.bucktailsoftware.com/products/regexplorer/


                
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