You are playing the Regex Pattern Matcher game against gpt-4o-mini.

Game history:
Turn 1: gpt-4o-mini proposed text with target items: ["john.doe@example.com","jane_smith@company.co.uk","user+test@sub.domain.org","(123) 456-7890","987-654-3210","555.123.4567","+1-800-555-0199","2023-10-12","10/12/2023","12th Oct 2023","ABC-123-xyz","DEF456uvw","GHI_789-xyz","test_email @ example.com","other.test123@domain.co.uk"]
Current turn: 1 of 10
You are the SOLVER.

Your opponent has provided the following challenge:

Text: "Contact: john.doe@example.com, jane_smith@company.co.uk, user+test@sub.domain.org. 
Phone Numbers: (123) 456-7890, 987-654-3210, 555.123.4567, and +1-800-555-0199. 
Important Dates: 2023-10-12, 10/12/2023, and 12th Oct 2023. 
Special IDs: ABC-123-xyz, DEF456uvw, and GHI_789-xyz. 
Mixed Patterns: test_email @ example.com and other.test123@domain.co.uk but not test@domain.com. "

You need to create a regular expression pattern that matches EXACTLY these items in the text:
[
  "john.doe@example.com",
  "jane_smith@company.co.uk",
  "user+test@sub.domain.org",
  "(123) 456-7890",
  "987-654-3210",
  "555.123.4567",
  "+1-800-555-0199",
  "2023-10-12",
  "10/12/2023",
  "12th Oct 2023",
  "ABC-123-xyz",
  "DEF456uvw",
  "GHI_789-xyz",
  "test_email @ example.com",
  "other.test123@domain.co.uk"
]

Rules:
1. Your regex must match ALL of the target items in the text.
2. Your regex must NOT match anything else in the text.
3. The pattern should be a valid JavaScript regular expression.
4. Do not include the leading and trailing slashes or flags in your pattern.

You'll use the "make_move" function to submit your solution with:
1. reasoning: Your reasoning for this regex pattern
2. move: The regex pattern as a simple string

Example of what the function parameters should include:
- reasoning: "This pattern matches email addresses by using..."
- move: "[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}"

IMPORTANT:
- The regex pattern should be a simple string.
- Do NOT use raw regex notation with slashes like /pattern/.
- Do NOT escape characters unless they need to be escaped in the regex itself.
- For example, to match parentheses, use "\(\)" not "\\(\\)".
- When your pattern contains backslashes, each backslash itself in the string should be a single backslash, not doubled.

Think carefully and test your pattern mentally before submitting.