Add code examples for string split tutorial

Author: martin-martin

split-strings/README.md

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+# How to Split a String in Python
+
+This folder provides the code examples for the Real Python tutorial [How to Split a String in Python](https://realpython.com/python-string-split-concatenate-join/).

split-strings/extract_errors_from_log.py

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+log_data = """2025-01-15 08:45:23 INFO User logged in
+2025-01-15 09:15:42 ERROR Failed to connect to server
+2025-01-15 10:01:05 WARNING Disk space running low"""
+
+log_lines = log_data.splitlines()
+
+for line in log_lines:
+    if "ERROR" in line:
+        print(line)

split-strings/extract_log_info.py

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+log_line = "2025-01-15 08:45:23 INFO User logged in from IP 10.0.1.1"
+
+date, time, log_level, message = log_line.split(maxsplit=3)
+
+print(f"Date: {date}")
+print(f"Time: {time}")
+print(f"Log Level: {log_level}")
+print(f"Message: {message}")

split-strings/names_with_titles.py

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+person = "Dr. Jane Doe, PhD Professor of Biology"
+
+title, first_name, last_name, rest_info = person.split(maxsplit=3)
+
+print(f"Title: {title}")
+print(f"First Name: {first_name}")
+print(f"Last Name: {last_name}")
+print(f"Additional Info: {rest_info}")

split-strings/split_logs_regex.py

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+import re
+
+log_line = "2025-01-15 08:45:23 INFO User logged in from IP 10.0.1.1"
+pattern = r"(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})\s(\w+)\s"
+components = re.split(pattern, log_line)
+
+print(components)