Method exec

e2e/samples/app/mdbook/theme/highlight.js:508–513

(e)

              this.rules.push([e, n]), "begin" === n.type && this.count++;
            }
            exec(e) {
              const n = this.getMatcher(this.regexIndex);
              n.lastIndex = this.lastIndex;
              const t = n.exec(e);
              return t && ((this.regexIndex += t.position + 1), this.regexIndex === this.count && (this.regexIndex = 0)), t;
            }
          }
          function i(e, n) {
            const t = e.input[e.index - 1],