Read a string field by field

Let’s assume that the field separator is :

var='line: 1
line: 2
line3'
while IFS= read -d : -r field || [ -n "$field" ]; do
   echo "-$field-"
done <<< "$var"

Output:

-line-
- 1
line-
- 2
line3
-

Found a mistake? Have a question or improvement idea? Let me know.

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