pcrePrintLastMatchErr

pcrePrintLastMatchErr( 
o_patMatchObj 
) 
=> t / nil

Prints the error message associated with the last failed matching operation (that is, when pcreExecute returns nil).

o_patMatchObj

Data object containing information from a previously failed pattern comilation/matching operation.

`t`	Prints the error message associated with the last failed matching operation and returns `t`.
`nil`	No previously failed matching operation.

comPat = pcreCompile( "[0-9]*[.][0-9]+" )

=> pcreobj@0x27d060
pcreExecute( comPat "123" )

=> nil
pcrePrintLastMatchErr( comPat )

=> The subject string did not match the compiled pattern.

pcreExecute( comPat "123" pcreGenCompileOptBits(?caseLess t) )

=> nil
pcrePrintLastMatchErr( comPat )

=> An unrecognized bit was set in the options argument.