Liquid

AnyStartingTag = /\{\{|\{\%/

ArgumentSeparator = ','

Expression = /(?:#{QuotedFragment}(?:#{SpacelessFilter})*)/

FilterArgumentSeparator = ':'

FilterSeparator = /\|/

FirstFilterArgument = /#{FilterArgumentSeparator}(?:#{StrictQuotedFragment})/

OtherFilterArgument = /#{ArgumentSeparator}(?:#{StrictQuotedFragment})/

PartialTemplateParser = /#{TagStart}.*?#{TagEnd}|#{VariableStart}.*?#{VariableIncompleteEnd}/

QuotedFragment = /#{QuotedString}|(?:[^\s,\|'"]|#{QuotedString})+/

QuotedString = /"[^"]*"|'[^']*'/

SpacelessFilter = /^(?:'[^']+'|"[^"]+"|[^'"])*#{FilterSeparator}(?:#{StrictQuotedFragment})(?:#{FirstFilterArgument}(?:#{OtherFilterArgument})*)?/

StrictQuotedFragment = /"[^"]+"|'[^']+'|[^\s|:,]+/

TagAttributes = /(\w+)\s*\:\s*(#{QuotedFragment})/

TagEnd = /\%\}/

TagStart = /\{\%/

TemplateParser = /(#{PartialTemplateParser}|#{AnyStartingTag})/

VariableAttributeSeparator = '.'

VariableEnd = /\}\}/

VariableIncompleteEnd = /\}\}?/

VariableParser = /\[[^\]]+\]|#{VariableSegment}+\??/

VariableSegment = /[\w\-]/

VariableSignature = /\(?[\w\-\.\[\]]\)?/

VariableStart = /\{\{/