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Take the following sample 2 data string and pattern.

value: webiste_landing_page_string?prs=kdfjg_sdfkrgfdkj=klfdjgldf;£lkjfsd£
value: webiste_landing_page_string?prs=klfdjgldf;£lkjfsd_io43"fdlkj;dfgfgg

pattern: prs=16

I need to return x chars after 'prs=' from the value strings, I will also be giving a pattern like 'prs=16' which tells me to return 16 chars after 'prs=' from the string.

Any help greatly appreciated.

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2
  • What is the context? Are you having to parse a list of strings? Is this inside a controller and is this the visited url? E.g. can you access params[:prs] Commented Jan 23, 2020 at 11:33
  • it's actually a column in a csv and i need to extract the string based on the pattern. The csv i have parsed into a string. Commented Jan 23, 2020 at 12:07
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