New posts in Replacement

Replace elements that do not match a pattern

ROT13 and upside-down text (flip text)

Replace Complex Head with List

Replace heads to match a pattern

Change Operator Precedence of --> operator

Replacing pairs of values under constraints in a large nested list

Reduce ODE into 1st order

Replacing Or with List

Replace custom functions, leave built in functions untouched?

Prevent testing Head with ReplaceAll