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Home Forums Write Regex to verify the Person's Name with an explanation. – MindStick
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ICSM Computer
ICSM Computer 17 Dec 2024
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^[A-Za-zÀ-ÿ\u0400-\u04FF\u0530-\u058F\u0370-\u03FF\u0590-\u05FF\u0600-\u06FF\u0900-\u097F\u4E00-\u9FFF]+(?:[\s'-][A-Za-zÀ-ÿ\u0400-\u04FF\u0530-\u058F\u0370-\u03FF\u0590-\u05FF\u0600-\u06FF\u0900-\u097F]+)*$

Explanation:

1. ^ (Start of the string)

  • Ensures the regex matches from the start of the string.

2. [A-Za-zÀ-ÿ\u0400-\u04FF\u0530-\u058F\u0370-\u03FF\u0590-\u05FF\u0600-\u06FF\u0900-\u097F\u4E00-\u9FFF]+

  • Matches one or more characters from:
    • A-Za-z: Latin alphabets (both uppercase and lowercase).
    • À-ÿ: Latin-based alphabets with diacritics (e.g., é, ñ, etc.).
    • \u0400-\u04FF: Cyrillic characters.
    • \u0530-\u058F: Armenian characters.
    • \u0370-\u03FF: Greek characters.
    • \u0590-\u05FF: Hebrew characters.
    • \u0600-\u06FF: Arabic characters.
    • \u0900-\u097F: Devanagari characters (used in Hindi and other Indian languages).
    • \u4E00-\u9FFF: Chinese characters.

This section ensures the name can start with letters from supported languages.

3. (?:[\s'-][A-Za-zÀ-ÿ\u0400-\u04FF\u0530-\u058F\u0370-\u03FF\u0590-\u05FF\u0600-\u06FF\u0900-\u097F\u4E00-\u9FFF]+)*

  • Non-capturing group (?: ... ):
    • Matches zero or more instances of:
      • [\s'-]: A space (\s), apostrophe ('), or hyphen (-).
      • [A-Za-zÀ-ÿ\u0400-\u04FF\u0530-\u058F\u0370-\u03FF\u0590-\u05FF\u0600-\u06FF\u0900-\u097F\u4E00-\u9FFF]+: One or more valid letters from the supported languages.

This allows for compound names with spaces, apostrophes, or hyphens (e.g., Jean-Luc, O'Connor, Mary Jane).

4. $ (End of the string)

  • Ensures the match goes to the end of the string.

Key Features

  • It supports multiple languages, Including Latin, Cyrillic, Greek, Hebrew, Arabic, Devanagari, and Chinese scripts.
  • Allows separators: Supports names with spaces, hyphens, and apostrophes (e.g., Mary-Jane, O'Neill).
  • Ensures validity: Names must start and end with a valid letter, disallowing extra spaces or invalid characters.

Examples of Valid Names

  1. Jean-Luc (Hyphenated name in Latin script)
  2. O'Connor (Name with apostrophe)
  3. 张伟 (Chinese characters)
  4. Алексей Иванов (Cyrillic name with a space)
  5. محمد علي (Arabic name with a space)
  6. राम श्याम (Devanagari name with a space)

Examples of Invalid Names

  1. John@Doe (Contains an invalid character @)
  2. Jean--Luc (Multiple consecutive hyphens)
  3. Zhang (Leading space)
  4. John (Trailing space)
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