<emphasis>Regxp-1</emphasis>.
<emphasis>Regxp-2</emphasis> enables the fault-tolerant (fuzzy)
search. As a default, a single error (deletion, insertion,
<emphasis>Regxp-1</emphasis>.
<emphasis>Regxp-2</emphasis> enables the fault-tolerant (fuzzy)
search. As a default, a single error (deletion, insertion,