Extract multiple hashtags from string with "Regex Split" node

KNIME Analytics Platform
1

Hello community, 

I want to extract all hashtags (words beginning with #) from a given string with the "Regex Split" node but up until now I am having no success. The regex I am using is the following (I also tried other variants):

/(#[A-Za-z]*)/g

Maybe some of you can help me accomplish this task. Thanks in advance, Christoph

2

Don't use the slashes. The regular expression is only the part between the slashes.

3

Thanks for your input but I've already tried the same thing without the slashes and did not get the expected result. Maybe I should be a little bit more clear. For example I have the following text: "This is a #random #example text for testing #purposes"

What I expect from the "Regex Split" node is that I get an output table with additional columns for each hashtag. Therefore I would want a column split_0 with value "#random", a column split_1 with the value "#example" and a column split_2 with the value "#purposes". 

Is this even possible with this node? Or are there other approaches? 

 

Thanks Christoph

 

4

Cell splitter node using # as the delimiter will give you the new columns but maybe not quite as you want.

 

maybe another attempt with the regex split node would be expression

#[A-Za-z]+\b

 

Simon.