Change gadget output from "regex" -> "pattern"

for consistency with base and stringr argument names. Left "Send regex to console" button text same for consistency with tabs in gadget.

R/regex_gadget.R

     observeEvent(input$done, {
       # browser()
       if (pattern() != "") {
-        pattern <- paste0('regex <- "', escape_backslash(pattern()), '"')
+        pattern <- paste0('pattern <- "', escape_backslash(pattern()), '"')
         rstudioapi::sendToConsole(pattern, FALSE)
       }
       stopApp()

R/regex_help.R

   runGadget(ui, server, viewer = viewer)
 }
 
+# ---- Help - Shiny Module ----
+
 help_ui <- function(id) {
   ns <- NS(id)
 

Readme.Rmd

 When you're done, click on the **Send Regex to Console** to send your regex expression to... the console!
 
 ```r
-> regex <- "(is|were|was) ([[:alpha:]]+) ([[:alpha:]]+)"
+> pattern <- "(is|were|was) ([[:alpha:]]+) ([[:alpha:]]+)"
 ```
 
 ### Additional Addins

Readme.md

 regex expression to… the console\!
 
 ``` r
-> regex <- "(is|were|was) ([[:alpha:]]+) ([[:alpha:]]+)"
+> pattern <- "(is|were|was) ([[:alpha:]]+) ([[:alpha:]]+)"
 ```
 
 ### Additional Addins