解析规则 rules
正则编辑器
function editregex: string RegExp, opt = '' { let source = typeof regex === 'string' ? regex : regex.source; const obj = { replace: name: string RegExp, val: string RegExp => { let valSource = typeof val === 'string' ? val : val.source; valSource = valSource.replaceother.caret, '$1'; source = source.replacename, valSource; return obj; }, getRegex: => { return new RegExpsource, opt; }, }; return obj;}其他类型
匹配代码行的缩进 codeRemoveIndent /^?: {1,4} {0,3}\t/gm
outputLinkReplace /\\[\[\]]/g
匹配围栏代码是不是有缩进 indentCodeCompensation /^\s+?:```/
beginningSpace /^\s+/
标题内容的# endingHash: /#$/
startingSpaceChar /^ /
标题内容的空白 endingSpaceChar / $/
nonSpaceChar: /[^ ]/
newLineCharGlobal /\n/g
制表符 tabCharGlobal /\t/g
multipleSpaceGlobal /\s+/g
blankLine /^[ \t]*$/
doubleBlankLine /\n[ \t]*\n[ \t]*$/
块引用的开始符 blockquoteStart /^ {0,3}>/
块引用中嵌套列表 blockquoteSetextReplace /\n {0,3}?:=+-+ *?=\n$/g
块引用中的空白 blockquoteSetextReplace2 /^ {0,3}>[ \t]?/gm
listReplaceTabs /^\t+/
listReplaceNesting /^ {1,4}?= {4}*[^ ]/g
listIsTask /^\[[ xX]\] /
listReplaceTask /^\[[ xX]\] +/
anyLine /\n.*\n/
hrefBrackets /^<.*>$/
tableDelimiter /[:]/
tableAlignChars /^\\ *$/g
tableRowBlankLine /\n[ \t]*$/
tableAlignRight /^ *-+: *$/
tableAlignCenter /^ *:-+: *$/
tableAlignLeft /^ *:-+ *$/
startATag /^<a /i
endATag /^<\/a>/i
startPreScriptTag /^<precodekbdscript\s>/i
endPreScriptTag /^<\/precodekbdscript\s>/i
startAngleBracket /^</
endAngleBracket />$/
pedanticHrefTitle /^[^'"]*[^\s]\s+['"].*\2/
unicodeAlphaNumeric /[\p{L}\p{N}]/u
escapeTest /[&<>"']/
escapeReplace /[&<>"']/g
escapeTestNoEncode /[<>"']&?!#\d{1,7}#[Xx][a-fA-F0-9]{1,6}\w+;/
escapeReplaceNoEncode /[<>"']&?!#\d{1,7}#[Xx][a-fA-F0-9]{1,6}\w+;/g
unescapeTest /&#?:\d+?:#x[0-9A-Fa-f]+?:\w+;?/ig
caret /^[^\[]\^/g
percentDecode /%25/g
findPipe /\/g
splitPipe / \/
slashPipe /\\\/g
回车换行 carriageReturn/\r\n\r/g
空行 spaceLine /^ +$/gm
notSpaceStart /^\S*/
endingNewline /\n$/
listItemRegex bull: string => new RegExp`^ {0,3}${bull}?:[\t ][^\\n]*??:\\n$`
nextBulletRegex indent: number => new RegExp`^ {0,${Math.min3, indent - 1}}?:[*+-]\\d{1,9}[.]?:[ \t][^\\n]*??:\\n$`
hrRegex indent: number => new RegExp`^ {0,${Math.min3, indent - 1}}?:- *{3,}?:_ *{3,}?:\\* *{3,}?:\\n+$`
fencesBeginRegex indent: number => new RegExp`^ {0,${Math.min3, indent - 1}}?:\`\`\`~~~`
headingBeginRegex indent: number => new RegExp`^ {0,${Math.min3, indent - 1}}#`
htmlBeginRegex indent: number => new RegExp`^ {0,${Math.min3, indent - 1}}<?:[a-z].*>!--`, 'i'
块级类型
空白行 newline /^?:[ \t]*?:\n$+/
代码块（缩进）blockCode /^?: {4} {0,3}\t[^\n]+?:\n?:[ \t]*?:\n$*?+/;
围栏代码块 fences /^ {0,3}`{3,}?=[^`\n]*?:\n$~{3,}[^\n]*?:\n$?:[\s\S]*??:\n$?: {0,3}\1[~`]* *?=\n$$/
水平线 hr /^ {0,3}?:-[\t ]*{3,}?:_[ \t]*{3,}?:\*[ \t]*{3,}?:\n+$/
标题匹配 heading /^ {0,3}#{1,6}?=\s$.*?:\n+$/
bullet /?:[*+-]\d{1,9}[.]/
lheading
edit/^?!bull blockCodefencesblockquoteheadinghtml?:.\n?!\s*?\nbull blockCodefencesblockquoteheadinghtml+?\n {0,3}=+-+ *?:\n+$/ .replace/bull/g, bullet // lists can interrupt .replace/blockCode/g, /?: {4} {0,3}\t/ // indented code blocks can interrupt .replace/fences/g, / {0,3}?:`{3,}~{3,}/ // fenced code blocks can interrupt .replace/blockquote/g, / {0,3}>/ // blockquote can interrupt .replace/heading/g, / {0,3}#{1,6}/ // ATX heading can interrupt .replace/html/g, / {0,3}<[^\n>]+>\n/ // block html can interrupt .getRegex_paragraph /^[^\n]+?:\n?!hrheadinglheadingblockquotefenceslisthtmltable +\n[^\n]+*/
blockText /^[^\n]+/
_blockLabel /?!\s*\]?:\\.[^\[\]\\]+/
def
edit/^ {0,3}\[label\]: *?:\n[ \t]*?[^<\s][^\s]*<.*?>?:?: +?:\n[ \t]*? *\n[ \t]*title? *?:\n+$/ .replace'label', _blockLabel .replace'title', /?:"?:\\"?[^"\\]*"'[^'\n]*?:\n[^'\n]+*\n?'\[^]*\/ .getRegexlist
edit/^ {0,3}bull[ \t][^\n]+???:\n$/ .replace/bull/g, bullet .getRegex_tag
'addressarticleasidebasebasefontblockquotebodycaption' + 'centercolcolgroupdddetailsdialogdirdivdldtfieldsetfigcaption' + 'figurefooterformframeframeseth[1-6]headheaderhrhtmliframe' + 'legendlilinkmainmenumenuitemmetanavnoframesoloptgroupoption' + 'pparamsearchsectionsummarytabletbodytdtfootththeadtitle' + 'trtrackul'_comment /<!--?:-?>[\s\S]*??:-->$/
html
edit '^ {0,3}?:' // optional indentation+ '<scriptprestyletextarea[\\s>][\\s\\S]*??:</\\1>[^\\n]*\\n+$' // 1+ 'comment[^\\n]*\\n+$' // 2+ '<\\?[\\s\\S]*??:\\?>\\n*$' // 3+ '<![A-Z][\\s\\S]*??:>\\n*$' // 4+ '<!\\[CDATA\\[[\\s\\S]*??:\\]\\]>\\n*$' // 5+ '</?tag?: +\\n/?>[\\s\\S]*??:?:\\n[ \t]*+\\n$' // 6+ '<?!scriptprestyletextarea[a-z][\\w-]*?:attribute*? */?>?=[ \\t]*?:\\n$[\\s\\S]*??:?:\\n[ \t]*+\\n$' // 7 open tag+ '</?!scriptprestyletextarea[a-z][\\w-]*\\s*>?=[ \\t]*?:\\n$[\\s\\S]*??:?:\\n[ \t]*+\\n$' // 7 closing tag+ '', 'i' .replace'comment', _comment .replace'tag', _tag .replace'attribute', / +[a-zA-Z:_][\w.:-]*?: *= *"[^"\n]*" *= *'[^'\n]*' *= *[^\s"'=<>`]+?/ .getRegexparagraph
edit_paragraph .replace'hr', hr .replace'heading', ' {0,3}#{1,6}?:\\s$' .replace'lheading', '' // setext headings don't interrupt commonmark paragraphs .replace'table', '' .replace'blockquote', ' {0,3}>' .replace'fences', ' {0,3}?:`{3,}?=[^`\\n]*\\n~{3,}[^\\n]*\\n' .replace'list', ' {0,3}?:[*+-]1[.] ' // only lists starting from 1 can interrupt .replace'html', '</??:tag?: +\\n/?><?:scriptprestyletextarea!--' .replace'tag', _tag // pars can be interrupted by type 6 html blocks .getRegex;块引用 blockquote
edit/^ {0,3}> ?paragraph[^\n]*?:\n$+/ .replace'paragraph', paragraph .getRegexgfmTable
edit '^ *[^\\n ].*\\n' // Header+ ' {0,3}?:\\ *?:?-+:? *?:\\ *:?-+:? **?:\\ *?' // Align+ '?:\\n?:?! *\\nhrheadingblockquotecodefenceslisthtml.*?:\\n$*\\n*$' // Cells .replace'hr', hr .replace'heading', ' {0,3}#{1,6}?:\\s$' .replace'blockquote', ' {0,3}>' .replace'code', '?: {4} {0,3}\t[^\\n]' .replace'fences', ' {0,3}?:`{3,}?=[^`\\n]*\\n~{3,}[^\\n]*\\n' .replace'list', ' {0,3}?:[*+-]1[.] ' // only lists starting from 1 can interrupt .replace'html', '</??:tag?: +\\n/?><?:scriptprestyletextarea!--' .replace'tag', _tag // tables can be interrupted by type 6 html blocks .getRegex