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feat(regex): add new isJson regex #2799

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d5c23e7
feat(regex): add new isJson regex
Echo-IV Oct 6, 2025
1e8078a
fix(regex): change name to json instead of isJson
Echo-IV Oct 7, 2025
34ae1f0
Merge branch 'main' into feat/json-regex
Echo-IV Oct 13, 2025
71b691d
Merge branch 'main' into feat/json-regex
Echo-IV Oct 15, 2025
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5 changes: 5 additions & 0 deletions .changeset/green-mangos-shake.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@scaleway/regex": minor
---

regex: add new isJson regex
14 changes: 14 additions & 0 deletions packages/regex/src/__tests__/index.test.ts
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Expand Up @@ -38,6 +38,7 @@ import {
ipv4Cidr,
ipv6,
ipv6Cidr,
isJson,
kafkaUsernameRegex,
macAddress,
nineDigitsCode,
Expand Down Expand Up @@ -1154,6 +1155,19 @@ describe('@regex', () => {
})
})

describe('isJson', () => {
test.each([
['{"key": "value"}', true],
['{"key": {"nested": "value"}}', true],
['{"key": ["array", "value"]}', true],
['{"key": "value"', false],
['{"key": {"nested": "value"', false],
['{"key": ["array", "value"', false],
])('should match regex %s to be %s', (string, expected) => {
expect(isJson.test(string)).toBe(expected)
})
})

describe('kafkaUsernameRegex', () => {
test.each([
['username', true],
Expand Down
2 changes: 2 additions & 0 deletions packages/regex/src/index.ts
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Expand Up @@ -102,3 +102,5 @@ export const password = /^(?!@)[^`]*$/
// A kafka username contains lowercase letters and numbers, with each segment starting and ending with a letter or number. Hyphens are only allowed in the middle of segments. Example: "username", "user-name", "my-group.user-name"
export const kafkaUsernameRegex =
/^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$/

export const isJson = /({(?:[^{}]|{(?:[^{}]|{[^{}]*})*})*})/s
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