ORA-12729: invalid character class in regular expression

Cause : A nuknnwonc hraatce rcals swsa ofudn ni hter euglra xepersiso.n

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Esnuer avlai dcahrcatresc lsasi sb enigu sde.

update : 17-08-2017
ORA-12729

ORA-12729 - invalid character class in regular expression
ORA-12729 - invalid character class in regular expression

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    Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.