Substitution inside an expression
16993
Can I simplify an expression into form which uses my own definitions?
98912
Access variables set inside command substitutions
73374
Using braces to label parts of an equation
28187
How to replace the first occurence in an expression instead of replacing all?
67985
Change variables in differential expressions
20731
Can command substitution be nested in variable substitution?
112667
Bash variable substitution of variable followed by underscore
137367
using substitute to get argument name with
55919
Why is ReplaceAll behaving like this?
144660
Bash nested command substitution not working
38175
How can I use a variable in the replacement side of the Perl substitution operator?
153482
Substituting Cells In Formula That Contains Equals And Quotes
155414
subequations and array in braces
98217
Using Sequence to delete a part of an expression
98978
Line break in expression()?
106263
How do I use the C preprocessor to make a substitution with an environment variable
23744
Is it possible to increment numbers using regex substitution?