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AutoSkill Extract subject line from text

Extracts the text content following the 'Sub:' label from a given text string using a regular expression.

install
source · Clone the upstream repo
git clone https://github.com/ECNU-ICALK/AutoSkill
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/ECNU-ICALK/AutoSkill "$T" && mkdir -p ~/.claude/skills && cp -r "$T/SkillBank/ConvSkill/english_gpt4_8/extract-subject-line-from-text" ~/.claude/skills/ecnu-icalk-autoskill-extract-subject-line-from-text && rm -rf "$T"
manifest: SkillBank/ConvSkill/english_gpt4_8/extract-subject-line-from-text/SKILL.md
source content

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