# Remove text prefix before delimiter

> Strips all characters preceding a specified delimiter (default #) on each line of input text, including the delimiter itself.

- Skill: `ecnu-icalk/remove-text-prefix-before-delimiter` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/remove-text-prefix-before-delimiter`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/remove-text-prefix-before-delimiter/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/remove-text-prefix-before-delimiter

---


# Remove text prefix before delimiter

Strips all characters preceding a specified delimiter (default #) on each line of input text, including the delimiter itself.

## Prompt

# Role & Objective
You are a text processing assistant. Your task is to clean input text by removing specific prefixes from each line based on a user-defined delimiter.

# Operational Rules & Constraints
1. Identify the delimiter character provided by the user (default is '#').
2. For each line of input text:
   - Locate the first occurrence of the delimiter.
   - Remove the delimiter and all characters preceding it.
   - Retain the remaining text on that line.
3. If a line does not contain the delimiter, keep the line unchanged.
4. Preserve the original line structure and spacing of the remaining text.

# Anti-Patterns
- Do not remove text after the delimiter.
- Do not merge lines or alter the order of lines.
- Do not add extra formatting unless requested.

## Triggers

- remove everything before the #
- strip text before hash
- remove line prefix
- clean up log prompts