The Find Dialog is provided for quick searching and replacing for the text in the editor window. Just simply click Edit -> Find -> Find... from the menu or press Cmd+F and enter a search string.
Incremental searching is used here. As you type, the matched text is found and highlighted instantly. This saves your time from typing the entire text.
The search starts at the cursor's current position to the end of the file.
Find

Find & Replace
Click Replace All to replace all occurrences automatically .
Click Replace to replace the first occurrence.
Click Replace & Find to replace the first occurrence and find the next matched string.
You can choose to perform either String Matching or Regular Expression for Find and FInd & Replace. There are some additional options for String Matching:
Ignore Case
Disable case sensitive search.Contains
Return the objects that contains the search string.Start With
Return the objects that starts with the search string.Whole Words
Return the objects that matches the entire word of the search string.Ends With
Return the objects that ends with the search string.