hrPattern top-level property

RegExp hrPattern

Three or more hyphens, asterisks or underscores by themselves. Note that a line like ---- is valid as both HR and SETEXT. In case of a tie, SETEXT should win.

Implementation

final hrPattern = RegExp(r'^ {0,3}([-*_])[ \t]*\1[ \t]*\1(?:\1|[ \t])*$');