regex101

Generate up-to-date regex101 links for your RegExp patterns in jsdoc comments. Helps you test and inspect the RegExp easily.

Triggers

• // @regex101
• /* @regex101 */

Examples

/**
 * RegExp to match foo or bar, optionally wrapped in quotes.
 *
 * @regex101
 */
const foo = /(['"])?(foo|bar)\\1?/gi

Will be updated to:

/**
 * RegExp to match foo or bar, optionally wrapped in quotes.
 *
 * @regex101 https://regex101.com/?regex=%28%5B%27%22%5D%29%3F%28foo%7Cbar%29%5C1%3F&flags=gi&flavor=javascript
 */
const foo = /(['"])?(foo|bar)\\1?/gi

An whenever you update the RegExp pattern, the link will be updated as well.

Optional Test Strings

Test string can also be provided via an optional @example tag:

/**
 * Some jsdoc
 *
 * @example str
 * \`\`\`js
 * if ('foo'.match(foo)) {
 *   const foo = bar
 * }
 * \`\`\`
 *
 * @regex101
 */
const foo = /(['"])?(foo|bar)\\1?/gi

Will be updated to:

/**
 * Some jsdoc
 *
 * @example str
 * \`\`\`js
 * if ('foo'.match(foo)) {
 *   const foo = bar
 * }
 * \`\`\`
 *
 * @regex101 https://regex101.com/?regex=%28%5B%27%22%5D%29%3F%28foo%7Cbar%29%5C1%3F&flags=gi&flavor=javascript&testString=if+%28%27foo%27.match%28foo%29%29+%7B%0A++const+foo+%3D+bar%0A%7D
 */
const foo = /(['"])?(foo|bar)\\1?/gi