Method RegEx():getLastError() Foundation
Returns the last error code.
:getLastError() --> nErrorCodeThe numeric error code. A value of 0 means no error occurred. Negative values indicate errors generated by the PCRE subsystem. A value of 999 indicates a generic error. Other Positive values greater than 0 indicate compilation errors. A full list of error codes can be found here: https://www.pcre.org/original/doc/html/pcreapi.html#SEC12.
Retrieves the numeric error code from the most recent operation. Call the method :getLastMessage() to retrieve a textual description of the error.
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