Replace In Projects

MPLAB® X IDE has a Replace in Projects form to replace text in the selected scope.

Select Replace in Projects from the Edit option on the main menu.

  • The Modify Criteria button in the Search Results window toolbar will also display the form.
Click image to enlarge.


Select the Containing Text from the combo box or type new search text.

  • The search text will be stored for future searches.
  • Options include Match Case, Whole Words, and Preserve Case.

Match combo box selections are:

  • Literal: search for the exact string.
  • Basic Wildcards: search with * = any string, ? = any character.
  • Regular Expression: when selected, the (test) string is enabled for testing your RegEx pattern.

Select the Replace With from the combo box or type new replace text.


Select the Scope for this search from the choices in the Scope combo box.
Scope options include:

  • Current Project
  • Open Projects
  • Open Documents (n files)
  • Browse for Files


Select the File Name Patterns from the combo box.

  • Patterns added, such as *.c or *.cpp, will be saved.
  • An Ignore List of folders and paths can be created.
  • File paths can be specified with Regular Expressions and a test utility.
  • Open In New Tab: when checked, a separate tab is created for each search. Unchecked will overwrite previous results.

Search Results are displayed in the Output tab.
Display options include:

  • Go to Next / Previous matching string.
  • Expand / Collapse all nodes in the tree.
  • Show results as a folder tree.
  • Show results as a list of files.
  • Show all details - list of results in Output view.


Preview and select each matching string for replacement by checking the box.

  • All matches can be replaced by pressing the button at bottom left of Search Results view.
  • Preview pane shows currently selected match for replacement.
  • Selecting Next/Previous moves to that file line in the Editor and Preview Pane.
Click image to enlarge.

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