User's Manual Part 1

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Scanner SupportChapter —6

144 700 Series Color Mobile Computer User’s Manual

Editing Expression Values

This table lists the valid operators for editing expressions.

Operator Meaning Example

\index The index-th subexpression (reading left-right)

in the matched string. index must be between

0` 9. \0 is the matched expression itself.

M([0-9]{6})= > \1 produces 270494 when

M270494 is scanned, stripping off the first

character.

&or\0 The matched expression itself. M[0-9]{6}= > \0-Conn and

M[0-9]{6}= > &-Conn

both produce

M270494-Conn

when M270494 is scanned.

\xhh A concise representation of the lower 256

characters in the Unicode set. When con-

verted, this is still a 16-bit value.

\x0d inserts a carriage return.

any character string Inserts any character string in the output

string.

See previous examples.

S <symID> is optional. If present, only data in the indicated symbology is

accepted.

S If the entire expression is blank, all data is passed unchanged. If =>

editing-expression is omitted, then all data that passes through the filter is

returned unchanged. If = > editing expression is present, the data is trans-

formed by editing-expression.

S Multiple grid expressions can be compiled and are related in a logical

OR fashion. These are expressed as single grid expressions separated by

semicolons. When matching is attempted, the first grid expression from

left to right that achieves a match will cause the data to be accepted.

S All pattern expressions and parsed data are in Unicode.

Grid Filter Example 1

This accepts a serial number in which the encoded number is a six-charac-

ter string beginning with M followed by six numeric characters.

S Filter

M[0-9]{6}

S Effect

When a bar code, such as M270494, is scanned, all data is passed.

Grid Filter Example 2

This formats a scanned Social Security number and forms it into an XML

element tagged “SSN”.

S Filter

([0-9]{3})([0-9]{2})([0-9]{4})= > <SSN > \1-\2-\3</SSN >

S Effect

A bar code, such as 123456789, is passed and reformatted to