Add more regex examples to vignette
caseyyoungflesh opened this issue · comments
Casey Youngflesh commented
Example
To return alpha[,2], use the following:
MCMCsummary(fit, params = 'alpha\[([1-9]|[1-9][0-9]), [2]', ISB = FALSE)
| is OR
\ is escape characters for [, as [ denotes the range of numbers for each digit