# Paste sub-expression

**URL:** <https://forum.bubble.io/t/paste-sub-expression/1170>\
**Category:** Idea\
**Created:** [January 21, 2016, 5:55am UTC](https://forum.bubble.io/t/paste-sub-expression/1170 "2016-01-21T05:55:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![birbilis](https://sea1.discourse-cdn.com/bubble/user_avatar/forum.bubble.io/birbilis/32/734_2.png) [@birbilis](https://forum.bubble.io/u/birbilis)\
**Post date:** [January 21, 2016, 5:55am UTC](https://forum.bubble.io/t/paste-sub-expression/1170/1 "2016-01-21T05:55:51Z")

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when editing an expression, I add + and then I right click inside the next part and select paste expression, but it changes the whole expression instead of just pasting a subexpression (since I had clicked-in the part after the + at the end of the current expression)

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**Author:** ![cheskiefisch](https://avatars.discourse-cdn.com/v4/letter/c/848f3c/32.png) [@cheskiefisch](https://forum.bubble.io/u/cheskiefisch)\
**Post date:** [March 12, 2018, 9:07pm UTC](https://forum.bubble.io/t/paste-sub-expression/1170/2 "2018-03-12T21:07:16Z")

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Also looking for this, especially when i need to write a “merge with” expression which has almost the same constraints as the first expression, i always have to rewrite everything.