(oldLF: string)
| 116 | } |
| 117 | |
| 118 | function buildTokenRegex(oldLF: string): RegExp { |
| 119 | const tokens = oldLF.split(/\s+/).filter(Boolean) |
| 120 | if (tokens.length === 0) { |
| 121 | return new RegExp("(?!)", "g") |
| 122 | } |
| 123 | |
| 124 | const pattern = tokens.map(escapeRegExp).join("\\s+") |
| 125 | return new RegExp(pattern, "g") |
| 126 | } |
| 127 | |
| 128 | function countRegexMatches(content: string, regex: RegExp): number { |
| 129 | const stable = new RegExp(regex.source, regex.flags) |