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Re: little help needed


vasil michev wrote:

>How do i delete everything that has "Bar" in it from
>
>DeleteCases[ParticleData["Baryon"], {___}]
>
>its not string so I cant do it in the usual way, regexp doesnt seem to
>work either
>
>  
>
Here is one possibility:

Cases[ParticleData["Baryon"],  s_ /; FreeQ[s, string_String /; ! 
StringFreeQ[string, "Bar"]]]

Carl Woll
Wolfram Research


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