Build a regular expression from a plain-English description, or explain an existing one.
$ npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mohitagw15856/pm-claude-skills regex-builder --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/regex-builder .claude/skills/regex-builder && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "regex-builder" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/regex-builder into .claude/skills/regex-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "regex-builder", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/regex-builderType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mohitagw15856/pm-claude-skills regex-builder --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/regex-builder .agents/skills/regex-builder && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "regex-builder" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/regex-builder into .agents/skills/regex-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "regex-builder", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mohitagw15856/pm-claude-skills regex-builder --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/regex-builder .cursor/skills/regex-builder && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "regex-builder" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/regex-builder into .cursor/skills/regex-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "regex-builder", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mohitagw15856/pm-claude-skills.git --path skills/regex-builder--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mohitagw15856/pm-claude-skills regex-builder --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/regex-builder .gemini/skills/regex-builder && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "regex-builder" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/regex-builder into .gemini/skills/regex-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "regex-builder", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mohitagw15856/pm-claude-skills regex-builderInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/regex-builder .github/skills/regex-builder && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "regex-builder" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/regex-builder into .github/skills/regex-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "regex-builder", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mohitagw15856/pm-claude-skills regex-builder --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/regex-builder .opencode/skills/regex-builder && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "regex-builder" agent skill from https://github.com/mohitagw15856/pm-claude-skills/tree/main/skills/regex-builder into .opencode/skills/regex-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "regex-builder", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
regex-builderBuild a regular expression from a plain-English description, or explain an existing one.
Regex Builder is an agent skill from mohitagw15856/pm-claude-skills. Build a regular expression from a plain-English description, or explain an existing one. Use when asked to write a regex, match/validate/extract a pattern, or understand what a regex does. Produces the regex, a token-by-token breakdown, passing and failing test cases, and notes on flavor/edge cases.
Its SKILL.md is about 700 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Testing & QA, covering Failing and flaky tests and Plain language and style rules. The repository describes itself as: 1255 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — PRDs, postmortems, leases, medical bills, layoffs, go-bags, new countries. Plain markdown, MIT, in… The licence is MIT.
Read from SKILL.md and the folder at commit 1cbf1f0. It shows what the files ask for, not the result of running them.
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Regex Builder loads about 704 tokens when it runs. Until then it costs about 79 tokens; SKILL.md has 342 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
The full file from mohitagw15856/pm-claude-skills at commit 1cbf1f0, republished under its MIT licence (© mohitagw15856). 342 words, ~704 tokens.
.claude/skills/regex-builder/SKILL.md (or your agent's skills folder).Produce correct, readable regular expressions — and explain them so the user actually understands what they're shipping.
Infer the regex flavor (JavaScript/PCRE/Python/Go) from context; if unstated, default to one and say so (assumed — confirm). Always deliver a working pattern and tests even from a loose description. Never leave placeholders.
re, RE2, grep -E…) — anchors, lookbehind, and Unicode behaviour differ enough to break portability silently.The regex in a code block, plus the flavor and any flags (e.g. i, g, m) and why.
A token-by-token table or list: each part of the pattern and what it matches.
| Token | Matches |
|---|---|
^ | start of string |
| … | … |
Edge cases, catastrophic-backtracking risks, anchoring, Unicode, and a simpler alternative if the regex is getting unwieldy (sometimes "don't use regex" is the right answer — say so).
\d, lookbehind, and named groups differ across engines© mohitagw15856, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in skills/regex-builder of mohitagw15856/pm-claude-skills.
Open the folder on GitHubat commit 1cbf1f0
Regex Builder next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Regex Builder this skillmohitagw15856/pm-claude-skills | 1.4k | — | ~704 | Automated safety check: Pass | MIT | |
| Dx Devops Test Failures Analyzeforcedotcom/sf-skills | 1.1k | — | ~1.4k | Automated safety check: Pass | Apache-2.0 | |
| Tlaplusswingerman/engineer | 154 | — | ~1.8k | Automated safety check: Pass | MIT | |
| QA Dopetrkindlmann/qa-skills | 170 | — | ~2.9k | Automated safety check: Pass | MIT | |
| Geb Identification Strategyfranklee16/academic-research-skills | 223 | 1 repos | ~1k | Automated safety check: Pass | None | |
| Regex DebuggerOneWave-AI/claude-skills | 336 | — | ~1.3k | Automated safety check: Pass | MIT |
forcedotcom/sf-skills
Analyzes DevOps Center test failures and Code Analyzer violations in plain language — failure category, offending file/class/method/line, rule violated, fix direction, and prioritized improvement…
swingerman/engineer
A skill your agent uses to model-check real code or a design with TLA+ and TLC.
petrkindlmann/qa-skills
Routing skill of last resort. An agent skill from petrkindlmann/qa-skills.
franklee16/academic-research-skills
A skill your agent uses when the analytical core of a Games and Economic Behavior (GEB) manuscript is the bottleneck — assumptions, theorem statements, proof exposition, and generality for a…
OneWave-AI/claude-skills
Debug regex patterns with visual breakdowns, plain English explanations, test case generation, and flavor conversion.
realZachi/pg-jev
Install, configure, query and explain pgjev (the jev PostgreSQL extension that filters, ranks and classifies rows with plain-language conditions via TypeSafe's Jev model).
mohitagw15856/pm-claude-skills
Compare the total cost of car ownership across buy-new, buy-used, lease, and keep-your-current-car — depreciation, insurance, maintenance ramp, and fuel over a real horizon, not just the monthly…
mohitagw15856/pm-claude-skills
Build a customer health scorecard for a specific account. An agent skill from mohitagw15856/pm-claude-skills.
mohitagw15856/pm-claude-skills
Compute who gets what at each exit price from a cap table — liquidation preferences, conversion points, and where the founders' share collapses.
mohitagw15856/pm-claude-skills
Apply prioritisation frameworks (RICE, MoSCoW, Kano, ICE, Opportunity Scoring) to rank features and backlog items.
mohitagw15856/pm-claude-skills
Compute a financial-independence (FIRE) target and years-to-reach with every assumption labeled as an assumption — plus a sensitivity table instead of a single false-precision answer.
mohitagw15856/pm-claude-skills
Derive a freelance day/hourly rate backwards from target income, honest billable utilization, overhead, and the self-employment tax premium — the arithmetic that proves a rate is not salary÷2000.
Categories
Build a regular expression from a plain-English description, or explain an existing one. Regex Builder is an agent skill from mohitagw15856/pm-claude-skills. Build a regular expression from a plain-English description, or explain an existing one.
Regex Builder fits situations like: asked to write a regex; match/validate/extract a pattern; understand what a regex does.
Run `npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a claude-code`. Or copy the skill folder (skills/regex-builder in mohitagw15856/pm-claude-skills) into .claude/skills/regex-builder in your project. Claude Code loads it when a task matches its description.
Run `npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a codex`. Or copy the skill folder (skills/regex-builder in mohitagw15856/pm-claude-skills) into .agents/skills/regex-builder in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mohitagw15856/pm-claude-skills --skill regex-builder -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/regex-builder, .gemini/skills/regex-builder, .github/skills/regex-builder and .opencode/skills/regex-builder in your project.
SKILL.md names no scripts, command-line tools or credentials: Regex Builder is instructions for the agent only. Our summary lists: Python 3.
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
Regex Builder is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 704 tokens (SKILL.md is roughly 2.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Regex Builder: Dx Devops Test Failures Analyze (forcedotcom/sf-skills, 1.1k stars), Tlaplus (swingerman/engineer, 154 stars), QA Do (petrkindlmann/qa-skills, 170 stars) and Geb Identification Strategy (franklee16/academic-research-skills, 223 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
mohitagw15856 (a GitHub user) maintains it in mohitagw15856/pm-claude-skills, which has 1,434 GitHub stars. The repository holds 1,348 skills in this directory. The repository was last updated on October 9, 2026.
Source: mohitagw15856/pm-claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.
