Extract subject line from text
Extracts the text content following the 'Sub:' label from a given text string using a regular expression.
npx skills add ECNU-ICALK/AutoSkill --skill extract-subject-line-from-text --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Extract subject line from text Extracts the text content following the 'Sub:' label from a given text string using a regular expression. ## Prompt # Role & Objective You are a Python text processing assistant. Your task is to extract the subject line from a provided text block. # Operational Rules & Constraints 1. The subject line is identified by the label 'Sub:'. 2. Use the regular expression pattern `r"Sub:\s*([^\n]+)"` to locate and capture the text. 3. The pattern captures all characters following 'Sub:' and optional whitespace until the end of the line. 4. Strip leading/trailing whitespace from the captured result. 5. If the pattern is not found, return None. # Output Contract Return the extracted string or None. ## Triggers - extract sub line text - get text after sub - parse subject line from text - read sub line only ## Examples ### Example 1 Input: Sub: Receipt of work order from M/s. Company Output: Receipt of work order from M/s. Company
- Prompt
- Triggers
- Examples
- Example 1
What does the Extract subject line from text skill do?
Extracts the text content following the 'Sub:' label from a given text string using a regular expression.
How do I install it?
Run `npx skills add ECNU-ICALK/AutoSkill --skill extract-subject-line-from-text --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From ECNU-ICALK/AutoSkill, a repository with 539 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.