private boolean getStringToReplace( int textOffset, int textEndOffset, Document document, FindModel findModel, Ref<String> stringToReplace) throws FindManager.MalformedReplacementStringException { if (textOffset < 0 || textOffset >= document.getTextLength()) { return false; } if (textEndOffset < 0 || textOffset > document.getTextLength()) { return false; } FindManager findManager = FindManager.getInstance(myProject); final CharSequence foundString = document.getCharsSequence().subSequence(textOffset, textEndOffset); PsiFile file = PsiDocumentManager.getInstance(myProject).getPsiFile(document); FindResult findResult = findManager.findString( document.getCharsSequence(), textOffset, findModel, file != null ? file.getVirtualFile() : null); if (!findResult.isStringFound()) { return false; } stringToReplace.set( FindManager.getInstance(myProject) .getStringToReplace(foundString.toString(), findModel, textOffset, document.getText())); return true; }