catastrophic backtracking in RegExp when editing markdown files #110297
Description
Pasting the below into a markdown file will cause a cpu thread to be pinned at 100% because of catastrophic backtracking.
# [foo](bar()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()#109964 fixes it.