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17 lines
451 B
JavaScript
17 lines
451 B
JavaScript
"use strict";
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module.exports = function matchOrError(regex, string) {
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if (regex == null) {
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throw new Error("No regular expression was provided");
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} else if (string == null) {
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throw new Error("No string to match on was provided");
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} else {
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let match = regex.exec(string);
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if (match == null) {
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throw new Error(`Regular expression ${regex.toString()} failed to match on string: ${string}`);
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} else {
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return match.slice(1);
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}
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}
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}; |