Prism.languages.aspnet = Prism.languages.extend('markup', { 'page-directive tag': { pattern: /<%\s*@.*%>/gi, inside: { 'page-directive tag': /<%\s*@\s*(?:Assembly|Control|Implements|Import|Master|MasterType|OutputCache|Page|PreviousPageType|Reference|Register)?|%>/ig, rest: Prism.languages.markup.tag.inside } }, 'directive tag': { pattern: /<%.*%>/gi, inside: { 'directive tag': /<%\s*?[$=%#:]{0,2}|%>/gi, rest: Prism.languages.csharp } } }); // match directives of attribute value foo="<% Bar %>" Prism.languages.insertBefore('inside', 'punctuation', { 'directive tag': Prism.languages.aspnet['directive tag'] }, Prism.languages.aspnet.tag.inside["attr-value"]); Prism.languages.insertBefore('aspnet', 'comment', { 'asp comment': /<%--[\w\W]*?--%>/g }); // script runat="server" contains csharp, not javascript Prism.languages.insertBefore('aspnet', Prism.languages.javascript ? 'script' : 'tag', { 'asp script': { pattern: /[\w\W]*?<\/script>/ig, inside: { tag: { pattern: /<\/?script\s*(?:\s+[\w:-]+(?:=(?:("|')(\\?[\w\W])*?\1|\w+))?\s*)*\/?>/gi, inside: Prism.languages.aspnet.tag.inside }, rest: Prism.languages.csharp || {} } } }); // Hacks to fix eager tag matching finishing too early: