The simplest form of a regular expression is a single, ordinary character that matches itself in a searched string. For example, the single-character pattern 'A' matches the letter 'A' wherever it appears in the searched string. Here are some examples of single-character regular expression patterns:

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/a/ /7/ /M/

The equivalent VBScript single-character regular expressions are:

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"a" "7" "M"

You can combine a number of single characters to form a larger expression. For example, the following JScript regular expression is nothing more than an expression created by combining the single-character expressions 'a', '7', and 'M'.

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/a7M/

The equivalent VBScript expression is:

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"a7M"

Notice that there is no concatenation operator. All that is required is that you just put one character after another.