Throws error if replacement input is empty #8
Description
To reproduce:
- Set text and pattern
- View
str_replaceso that replacement input is generated - Leave replacement blank
- Click "Send to console"
- Get error:
Warning: Error in if: missing value where TRUE/FALSE needed Stack trace (innermost first): 68: observeEventHandler 4: shiny::runApp 3: runGadget 2: regex_gadget 1: regexplain:::regexplain_addin ERROR: [on_request_read] connection reset by peerShould be quick fix to check that input$replacement is truthy.
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