Regexep with JSONPAth Regex Match Assertion : Error with regex expression

[astrowalker2013]

Hi 

for a test i need to verify the structure of string .

My string waited    are 2 word with a comma in middle like this "totot,tata".
and I need to verify that  my JsonPath expression are equivalent with this expression

I test  this Regular expression /[a-z]/g,/[a-z]/g but this regex didn't functional.

What is the  best Regex used to resolved my issue. 

[astrowalker2013 · Accepted solution]

I Find the Solution and I Shared with us : 

in oder verify the structure  I can used this structure 

([a-zA-Z-]+), *([a-zA-Z -]+)