Error
Error Code:
4007
MySQL Error 4007: Regex Decimal Number Too Large
Description
This error indicates that a numeric value within a regular expression pattern has exceeded the maximum limit allowed by MySQL's regex engine. It typically occurs when quantifiers or backreferences specify decimal numbers that are excessively large or out of bounds for internal processing.
Error Message
Decimal number in regular expression is too large.
Known Causes
3 known causesExcessive Quantifier Value
A quantifier like `{n,m}` in the regular expression specifies a repetition count where 'n' or 'm' exceeds the maximum allowed integer value for the regex engine.
Overly Large Backreference Index
A backreference (e.g., `\N`) uses a decimal number 'N' that is too high, attempting to reference a non-existent or out-of-bounds capturing group.
Malformed Numeric Pattern
A numeric value within a character class range or other regex construct is excessively large or improperly formatted, causing it to exceed internal processing limits.
Solutions
Coming SoonGeneral 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