"match":"(?x)\n (\\[)((?<square>[^\\[\\]\\\\]|\\\\.|\\[\\g<square>*+\\])*+)(\\])\n # Match the link text.\n (\\() # Opening paren for url\n (<?)(.*?)(>?) # The url\n [ \\t]* # Optional whitespace\n (?:\n ((\\().+?(\\))) # Match title in parens…\n | ((\").+?(\")) # or in quotes.\n )? # Title is optional\n\\s* # Optional whitespace\n (\\))\n",
"match":"(?x)\n (\\[)((?<square>[^\\[\\]\\\\]|\\\\.|\\[\\g<square>*+\\])*+)(\\])\n # Match the link text.\n (\\() # Opening paren for url\n (<?)((?<url>[^\\s()]+|\\(\\g<url>*\\))*)(>?) # The url\n [ \\t]* # Optional whitespace\n (?:\n ((\\().+?(\\))) # Match title in parens…\n | ((\").+?(\")) # or in quotes.\n )? # Title is optional\n\\s* # Optional whitespace\n (\\))\n",