Use correct flags when validate-parsing regular expressions
Use correct flags when validate-parsing regular expressions

Issue #406

mysticatea/acorn,mathiasbynens/acorn,TimothyGu/acorn,mysticatea/acorn,ajaxorg/acorn,MarcelGerber/acorn,mathiasbynens/acorn,Rich-Harris/acorn,marijnh/acorn,marijnh/acorn,mathiasbynens/acorn,ajaxorg/acorn,mysticatea/acorn,ajaxorg/acorn,ternjs/acorn,Rich-Harris/acorn,Rich-Harris/acorn,TimothyGu/acorn,TimothyGu/acorn,ternjs/acorn,ternjs/acorn,marijnh/acorn,MarcelGerber/acorn,MarcelGerber/acorn