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Security
#slack
#webhook
#security
#api-key

Slack Incoming Webhook URL

Validates Slack incoming webhook URLs (https://hooks.slack.com/services/T.../B.../...).

✓ Secret scanner✓ CI/CD credential validation✓ Slack app integration
/
/
Safe
Test String
2 matches
hh— 'h' — literal character
tt— 't' — literal character
tt— 't' — literal character
pp— 'p' — literal character
ss— 's' — literal character
::— ':' — literal character
\/\/— \/ — escaped character '/'
\/\/— \/ — escaped character '/'
hh— 'h' — literal character
oo— 'o' — literal character
oo— 'o' — literal character
kk— 'k' — literal character
ss— 's' — literal character
\.\.— \. — escaped character '.'
ss— 's' — literal character
ll— 'l' — literal character
aa— 'a' — literal character
cc— 'c' — literal character
kk— 'k' — literal character
\.\.— \. — escaped character '.'
cc— 'c' — literal character
oo— 'o' — literal character
mm— 'm' — literal character
\/\/— \/ — escaped character '/'
ss— 's' — literal character
ee— 'e' — literal character
rr— 'r' — literal character
vv— 'v' — literal character
ii— 'i' — literal character
cc— 'c' — literal character
ee— 'e' — literal character
ss— 's' — literal character
\/\/— \/ — escaped character '/'
TT— 'T' — literal character
[…]{8,11}Character class […]— Matches any single character listed in this set — repeated between 8 and 11 times · {8,11} — between 8 and 11 times
a-za-z— a-z — range from 'a' to 'z'
A-ZA-Z— A-Z — range from 'A' to 'Z'
0-90-9— 0-9 — range from '0' to '9'
__— '_' — literal character
\/\/— \/ — escaped character '/'
BB— 'B' — literal character
[…]{8,11}Character class […]— Matches any single character listed in this set — repeated between 8 and 11 times · {8,11} — between 8 and 11 times
a-za-z— a-z — range from 'a' to 'z'
A-ZA-Z— A-Z — range from 'A' to 'Z'
0-90-9— 0-9 — range from '0' to '9'
__— '_' — literal character
\/\/— \/ — escaped character '/'
[…]{24}Character class […]— Matches any single character listed in this set — repeated exactly 24 times · {24} — exactly 24 times
a-za-z— a-z — range from 'a' to 'z'
A-ZA-Z— A-Z — range from 'A' to 'Z'
0-90-9— 0-9 — range from '0' to '9'
__— '_' — literal character
Pattern: 97 charsInput: 157 chars
100% client-side · private

✓ Valid Examples

  • https://hooks.slack.com/services/T00000000/B00000000/EXAMPLE_SLACK_WEBHOOK_24
  • https://hooks.slack.com/services/T123456789/B987654321/EXAMPLE_SLACK_WEBHOOK_24

✗ Invalid Examples

  • https://hooks.slack.com/services/invalid
  • http://hooks.slack.com/services/T00000000/B00000000/EXAMPLE_SLACK_WEBHOOK_24
  • https://discord.com/api/webhooks/123/abc

Usage & Integration

Validate Slack Incoming Webhook URL natively in your backend or frontend without copying regex strings.

Node / Edge

import { validate } from '@regexto/validators';

validate('slack-webhook', '...');

Python

from regexto_validators import validate

validate("slack-webhook", "...")

Go

import "github.com/regex-to/validators-go"

valid, err := validators.Validate("slack-webhook", "...")

PHP

use RegexTo\Validators\Validator;

Validator::validate('slack-webhook', '...');

Rust

use regexto_validators::validate;

let is_valid = validate("slack-webhook", "...").unwrap();