Regular expressions tutorial
Regular Expressions Tutorial
This document is intended to help users of PI interfaces that make use of Regular Expressions. RegExp is a relatively old utility for searching text and making substitutions. The main concept behind using RegExp is matching a generic pattern the user has supplied to the specific text that is given.
[DOCX File]George Mason University
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Regular expressions can be used: To define property values of an object. To parameterize a step. To create a checkpoint with changeable values. Important points regarding Regular expressions: You can use regular expressions only for values of type string. When any special character in a regular expression is preceded by a backslash ...
[DOC File]RegExp Tutorial
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Regular expressions in Lex A regular expression is a pattern description using a meta language. An expression is made up of symbols. Normal symbols are characters and numbers, but there are other symbols that have special meaning in Lex. The following two tables define some of the symbols used in Lex and give a few typical examples.
[DOC File]QTP Tutorial 1: Learning Recording
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Refer to the Regular Expressions Tutorial for detailed information and many examples on how to use regexp to get the correct data out of your HTML page. A quick summary follows. Click on the Preview tab to see what text would be selected if the regexp fields were not touched. There is a good chance that the data you were looking for has already ...
[DOC File]Create Lists (User Manual 100665)
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Regular expressions show up all over the place in programming and computer science – not just in Java. One common use of regular expressions is to search for a file on your computer (e.g., using the egrep UNIX command).
[DOC File]Lex
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Regular expressions are a powerful and complex tool that specifies a pattern of characters to identify. Starts with Use this operator to find fields in which a given word or phrase appears at the beginning of the field. This may be a useful operator for both fixed-length and variable length fields.
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