This is a short guide/tip,that may be useful to some iPhone users and iPad users using iMessage
Someone has text you some sensitive information in a text conversation that you have going with them, and you want to keep the conversation but delete a specific text bubble.
Easily delete that text bubble by first long pressing it.
You'll be prompted with the options Copy and More.
Select More and a check mark will appear to the left of the text bubble.
Tap the trash Icon in the lower left corner.
You'll then be presented with the options Delete Message and Cancel. Select Delete Message and the text is deleted.
If the text bubble has a blue Hyperlink such as a phone number, email address or web URL or Calendar Date
long press away from the blue Hyperlink.