Should RE used in the crate?

[HerringtonDarkholme]

Hard to migrate but possible

• compiler-core/src/transforms/vFor.ts|304 col 15| const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/
• compiler-core/src/transforms/vFor.ts|307 col 18| const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/
• compiler-core/src/transforms/vOn.ts|19 col 12| const fnExpRE = /^\s*([\w$_]+|\([^)]*?\))\s*=>|^\s*function(?:\s+[\w$]+)?\s*\(/
• compiler-core/src/utils.ts|79 col 17| const whitespaceRE = /\s+[.[]\s*|\s*[.[]\s+/g
• shared/src/normalizeProp.ts|30 col 20| const listDelimiterRE = /;(?![^(]*\))/g // ; followed by no single )

Easy to migrate

compiler-core/src/parse.ts|60 col 13| const decodeRE = /&(gt|lt|amp|apos|quot);/g
compiler-core/src/transforms/vFor.ts|308 col 18| const stripParensRE = /^\(|\)$/g
compiler-core/src/utils.ts|66 col 20| const nonIdentifierRE = /^\d|[^\$\w]/
compiler-core/src/utils.ts|77 col 26| const validFirstIdentCharRE = /[A-Za-z_$\xA0-\uFFFF]/
compiler-core/src/utils.ts|78 col 21| const validIdentCharRE = /[\.\?\w$\xA0-\uFFFF]/
shared/src/normalizeProp.ts|31 col 24| const propertyDelimiterRE = /:(.+)/
shared/src/escapeHtml.ts|1 col 13| const escapeRE = /["'&<>]/
compiler-dom/src/transforms/stringifyStatic.ts|142 col 15| const dataAriaRE = /^(data|aria)-/

use RE in SFC crates

compiler-sfc/src/parse.ts|333 col 12| const splitRE = /\r?\n/g
compiler-sfc/src/parse.ts|334 col 12| const emptyRE = /^(?:\/\/)?\s*$/
compiler-sfc/src/parse.ts|335 col 14| const replaceRE = /./g
compiler-sfc/src/rewriteDefault.ts|4 col 20| const defaultExportRE = /((?:^|\n|;)\s*)export(\s*)default/
compiler-sfc/src/rewriteDefault.ts|5 col 25| const namedDefaultExportRE = /((?:^|\n|;)\s*)export(.+)as(\s*)default/s
compiler-sfc/src/rewriteDefault.ts|6 col 25| const exportDefaultClassRE =
compiler-sfc/src/stylePluginScoped.ts|5 col 20| const animationNameRE = /^(-\w+-)?animation-name$/
compiler-sfc/src/stylePluginScoped.ts|6 col 16| const animationRE = /^(-\w+-)?animation$/
compiler-sfc/src/cssVars.ts|15 col 20| export const cssVarRE = /\bv-bind\(\s*(?:'([^']+)'|"([^"]+)"|([^'"][^)]*))\s*\)/g
ref-transform/src/refTransform.ts|28 col 21| const transformCheckRE = /[^\w]\$(?:\$|ref|computed|shallowRef)?\s*(\(|\<)/