Regular Expression Evaluator

A regular expression evaluator is provided in SmartBatch to help you create regular expressions.  This window is available by clicking on the Evaluate button displayed adjacent to fields that supports regular expression values.  

The following picture shows the Regular Expression Evaluator window. You can click on "hot spot" areas in the picture below to get detailed information about buttons, controls and fields.

Regular Expression Meta Characters

The following table provides a list of common regular expression meta characters.  Refer to MSDN or use a Google search on the internet to find many examples complete documentation on regular expressions:

Meta Character

Character Name

Description

$

dollar sign

Matches at the end of a string.

( )

parenthesis

Marks the beginning and end of a subexpression.

*

asterisk

Matches the preceding character zero or more times.

+

plus

Matches the preceding character one or more times.

.

period

Matches any single character.

[ ]

square brackets

Marks the beginning of a bracket expression.

?

question mark

Matches the preceding character zero or one time.

\

back slash

Marks the next character as either a special character, a literal or an octal escape.

/

forward slash

Denotes the start or end of a literal regular expression.

^

caret

Matches the beginning of an input string.

{ }

curly braces

Marks the beginning of a quantifier expression.

|

vertical bar

Indicates an or condition or the choice between two or more items.