OEHasExplicitHydrogenExpression

bool OEHasExplicitHydrogenExpression(const OEQMolBase &qmol)

Returns true if the query molecule (OEQMolBase) has any explicit hydrogen(s). For example, if the query molecule has been initialized from the CO[H] or [CO[#1,#6]] SMARTS patterns.

See also

• OEHasImplicitHydrogenExpression function

• SMARTS Pattern Matching chapter