Using wildcards you can search for any string(s) within a field.
Example:
Search for protein names containing the word "kinase" or "kinuse" or "kinose" anywhere in the field " protein_name" means:
select search field: protein_name
select operator: contains
select first wildcard: %
select search expression: kin
select second wildcard: %.
Boolean combinations (AND /OR) are also possible.
Following operators can be used: =, >, <
You can search for values within a range and fulfilling Boolean condition:
Example:
Precursor_Mass < 3605.0
AND
Precursor_Mass > 3600.0
AND
Mass_Error < 1.3
AND
Mass_Error > -0.6
AND
Xcorr > 1.7
AND
Xcorr < 1.8