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Disallowing periods in slugs (Response to issue#2383) #2385

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Disallowing periods in slugs (Response to issue#2383) #2385

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bbf7afb
Update regex pattern to disallow periods in slugs
alinaghale88 Mar 31, 2024
6db8b3b
Update regex in isSlug.js to match all test cases
alinaghale88 Apr 1, 2024
662d79a
Add 'is.not.a.slug' string to invalid slug tests
alinaghale88 Apr 1, 2024
5e19e96
Update regex in isSlug.js & add a valid test case
alinaghale88 Apr 4, 2024
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2 changes: 1 addition & 1 deletion src/lib/isSlug.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import assertString from './util/assertString';

let charsetRegex = /^[^\s-_](?!.*?[-_]{2,})[a-z0-9-\\][^\s]*[^-_\s]$/;
let charsetRegex = /^(?!.*(?:-|_){2,})(?![-_])(?!.*(?:-|_)$)[a-z0-9*&\\]*(?:[-_][a-z0-9*&\\]+)*$/;
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Something else I noticed, but is there a reason this allows &, * and \ special characters? The original allows \ though I'm not sure why since Slugify ignores \, and @WikiRik mentioned that Slugify is the basis of the regex for isSlug. Slugify also ignores * and replaces & with 'and', so I would consider all of them to be invalid.


export default function isSlug(str) {
assertString(str);
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2 changes: 2 additions & 0 deletions test/validators.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12855,6 +12855,7 @@ describe('Validators', () => {
test({
validator: 'isSlug',
valid: [
'f-f',
'foo',
'foo-bar',
'foo_bar',
Expand All @@ -12865,6 +12866,7 @@ describe('Validators', () => {
],
invalid: [
'not-----------slug',
'is.not.a.slug',
'@#_$@',
'-not-slug',
'not-slug-',
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