Error
Error Code:
1139
MySQL Error 1139: Invalid Regular Expression Syntax
Description
This error indicates that MySQL's regular expression engine encountered an issue while processing a regular expression pattern provided in a query. It typically occurs when the regex syntax is malformed, uses unsupported features, or contains incorrect escaping.
Error Message
Got error '%s' from regexp
Known Causes
3 known causesMalformed Regular Expression Syntax
The regular expression pattern contains syntax errors such as unmatched parentheses, incorrect character classes, or misplaced quantifiers.
Unsupported Regex Features
The regular expression uses features (e.g., specific PCRE extensions) that are not supported by MySQL's default POSIX ERE engine.
Incorrect Special Character Escaping
Special characters within the regular expression pattern are not correctly escaped, leading the engine to misinterpret parts of the pattern.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service