In the first string, the set of trigrams is

<literal>{" w"," wo","ord","wor","rd "}</literal>.

In the second string, the ordered set of trigrams is

<literal>{" t"," tw",two,"wo "," w"," wo","wor","ord","rds",ds "}</literal>.

<literal>{" t"," tw","two","wo "," w"," wo","wor","ord","rds","ds "}</literal>.

The most similar extent of an ordered set of trigrams in the second string

is <literal>{" w"," wo","wor","ord"}</literal>, and the similarity is

<literal>0.8</literal>.

greatest similarity between the first string and any substring of the second

string. However, this function does not add padding to the boundaries of

the extent. Thus, the number of additional characters present in the

second string is not considered, except for the mismatched wordboundry.

second string is not considered, except for the mismatched wordboundries.

</para>

<table id="pgtrgm-op-table">