If user pastes a paragraph containing emails example
this is a car and I know it …
… mycar@gmail.com …
asids aoifpjad soifjojadsf jsdoifj
The app should return " mycar@gmail.com "
sorry, I do not understand the question
https://community.kodular.io/t/how-to-ask-a-question/7942
Taifun
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like i guess u mean u are trying to make an email app and u wanna add paragraphs keep the default text box and done . it will depend on the people whether they want para or not
I have edited the question. Don’t mind, my english is bad.
I want app to spot email from a paragraph given by user. I have edited the question please take a look
Use https://community.thunkable.com/t/regular-expression-extension/3657 extension to validate email id from the paragraph.
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Find a @ position
Walk back, and go comparing (each letter) if it equals space. " "
Take this position from space + 1
Now. from the @ position, move forward comparing (each letter) if it equals space " ".
Take the position of the space -1
You have the start position and the end position of the string.
Remove this string from the main string.
https://community.kodular.io/t/beginners-guide-text-blocks/66840
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He can’t do that because the texts and length of the paragraph may change and he will not get the desired result. 
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Maybe try something like this
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