{"id":20042615,"url":"https://github.com/code4mk/lets-regex","last_synced_at":"2026-03-09T14:07:17.737Z","repository":{"id":104452332,"uuid":"129486145","full_name":"code4mk/lets-regex","owner":"code4mk","description":"Lets learn RegEx ( Regular Expression) with fun . 💗 code4mk","archived":false,"fork":false,"pushed_at":"2021-04-22T03:59:47.000Z","size":5,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-11-29T10:59:25.634Z","etag":null,"topics":["regex","regular-expression"],"latest_commit_sha":null,"homepage":"https://code4mk.org/javascript-developer/js/regex","language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/code4mk.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null}},"created_at":"2018-04-14T05:48:36.000Z","updated_at":"2021-04-22T03:59:49.000Z","dependencies_parsed_at":null,"dependency_job_id":"d720f83a-4896-4516-b6db-ffb4e5026a65","html_url":"https://github.com/code4mk/lets-regex","commit_stats":{"total_commits":6,"total_committers":2,"mean_commits":3.0,"dds":"0.16666666666666663","last_synced_commit":"48f2408c008ea2a2950e57bd43c5a21d1acd1043"},"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/code4mk/lets-regex","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/code4mk%2Flets-regex","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/code4mk%2Flets-regex/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/code4mk%2Flets-regex/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/code4mk%2Flets-regex/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/code4mk","download_url":"https://codeload.github.com/code4mk/lets-regex/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/code4mk%2Flets-regex/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30297949,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-09T13:46:43.843Z","status":"ssl_error","status_checked_at":"2026-03-09T13:46:42.821Z","response_time":61,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["regex","regular-expression"],"created_at":"2024-11-13T10:52:30.700Z","updated_at":"2026-03-09T14:07:17.716Z","avatar_url":"https://github.com/code4mk.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"\n[go to code4mk for better view](https://code4mk.org/javascript-developer/js/regex)\n\n## regex tips\n\n|short    | description     |\n| :------------- | :------------- |\n|`^`|start|\n|`$`|end|\n|`pipe`|or / alternate|\n|`*`|0 or more|\n|`+`|1 or more|\n|`\\`|escape specialess|\n|`?`|0 or one|\n|`{3}`|exact 3|\n|`{3,}`|3 or more|\n|`{3,5}`|3,4 or 5|\n|`()`|group|\n|`[]`|set|\n|`[^abc]`|not abc|\n|`[abc]`|a.b or c|\n|`[A-Z]`| uppercase A to Z|\n|`[a-z]`| lowercase a to z|\n|`[a-zA-Z]`| lowercase and uppercase a to z|\n|`[0-9]`|0 to 9|\n\n* NB:  `pipe` = `|`\n\n## basic 2 regex\n\n\n|short    | description     |\n| :------------- | :------------- |\n|`\\n`|newline|\n|`\\t`|tab|\n|`\\r`|Carriage return|\n|`\\f`|Form feed|\n\n\n## character set table\n\n\n| short  | description     |\n| :------------- | :------------- |\n| `\\w `    | alphanumeric `[a-zA-Z0-9_]` |\n|`\\W`| non alphanumeric `[a-zA-Z0-9_]` . [\\W] = `[^\\w]`|\n|`\\d`|digit [0-9]|\n|`\\D`|non digit [0-9]|\n|`\\s`|whitespace `[\\t\\n\\f\\r\\p{Z}]`|\n|`\\S`|non whitespace|\n\n## flag\n\n| short  | description     |\n| :------------- | :------------- |\n| g    | global |\n|m| multi-line|\n|i|case i­nse­nsitive|\n\n* [Next](https://github.com/code4mk/lets-regex/blob/master/basic.md)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcode4mk%2Flets-regex","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcode4mk%2Flets-regex","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcode4mk%2Flets-regex/lists"}