Here is a link on how to refine a search query using operators:
http://publib.boulder.ibm.com/infocenter/domhelp/v8r0/index.jsp?topic=/com.ibm.notes85.help.doc/sch_refine_query_r.html
The following search will find three documents:
http:///XPagesExtOld.nsf/api/data/collections/name/AllContacts?search=[City] CONTAINS St.
[
{
"@href":"http:\/\/:80\/XPagesExtOld.nsf\/api\/data\/collections\/name\/AllContacts\/unid\/53901A7482BA11EB852578110047D09B",
"@link":
{
"rel":"document",
"href":"http:\/\/:80\/XPagesExtOld.nsf\/api\/data\/documents\/unid\/53901A7482BA11EB852578110047D09B"
},
"@entryid":"159-53901A7482BA11EB852578110047D09B",
"@unid":"53901A7482BA11EB852578110047D09B",
"@noteid":"2BD2",
"@position":"159",
"@siblings":206,
"@form":"Contact",
"FirstName":"Shana",
"LastName":"Stewart",
"EMail":"sstewart@renovations.com",
"City":"St. Paul",
"created":"2011-01-07T13:04:24Z",
"$10":"Shana Stewart"
},
{
"@href":"http:\/\/:80\/XPagesExtOld.nsf\/api\/data\/collections\/name\/AllContacts\/unid\/E0CE30D86E600F4F852578110047D01D",
"@link":
{
"rel":"document",
"href":"http:\/\/:80\/XPagesExtOld.nsf\/api\/data\/documents\/unid\/E0CE30D86E600F4F852578110047D01D"
},
"@entryid":"33-E0CE30D86E600F4F852578110047D01D",
"@unid":"E0CE30D86E600F4F852578110047D01D",
"@noteid":"29DA",
"@position":"33",
"@siblings":206,
"@form":"Contact",
"FirstName":"Verna",
"LastName":"Cooke",
"EMail":"vcooke@renovations.com",
"City":"St. Petersburg",
"created":"2011-01-07T13:04:23Z",
"$10":"Verna Cooke"
},
{
"@href":"http:\/\/:80\/XPagesExtOld.nsf\/api\/data\/collections\/name\/AllContacts\/unid\/87E50D5674F465E5852578110047D05C",
"@link":
{
"rel":"document",
"href":"http:\/\/:80\/XPagesExtOld.nsf\/api\/data\/documents\/unid\/87E50D5674F465E5852578110047D05C"
},
"@entryid":"96-87E50D5674F465E5852578110047D05C",
"@unid":"87E50D5674F465E5852578110047D05C",
"@noteid":"2AD6",
"@position":"96",
"@siblings":206,
"@form":"Contact",
"FirstName":"Eugene",
"LastName":"Scott",
"EMail":"escott@renovations.com",
"City":"St. Petersburg",
"created":"2011-01-07T13:04:23Z",
"$10":"Eugene Scott"
}
]