32 lines
852 B
TypeScript
32 lines
852 B
TypeScript
// Thanks to https://regex101.com
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export function regexpCapture (str: string, regex: RegExp, maxIterations = 100) {
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const result: RegExpExecArray[] = []
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let m: RegExpExecArray
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let i = 0
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while ((m = regex.exec(str)) !== null && i < maxIterations) {
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// This is necessary to avoid infinite loops with zero-width matches
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if (m.index === regex.lastIndex) {
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regex.lastIndex++
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}
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result.push(m)
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i++
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}
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return result
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}
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export function wordsToRegExp (words: string[]) {
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if (words.length === 0) throw new Error('Need words with at least one element')
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const innerRegex = words
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.map(word => escapeForRegex(word.trim()))
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.join('|')
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return new RegExp(`(?:\\P{L}|^)(?:${innerRegex})(?=\\P{L}|$)`, 'iu')
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}
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export function escapeForRegex (value: string) {
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return value.replace(/[\\^$.*+?()[\]{}|]/g, '\\$&')
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}
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