validate cfinput using regular expressions

Hello

can someone help me valditing a field of cfinput using regular expressions?

First digit must be a number or a 'R '.

Figure 2-15 can be anything without special characters. Figure 2-15 can also be empty.

I try this, but it does not work (sorry I'm a beginner using regex).

< cfinput type = "text" name = "field1" required = "yes" validate = 'regular_expression' pattern = "[0 - 9Rr] [0 - 9a - zA - Z]" * "maxlength ="15">"

Thank you for advice!

Claudia

^ [0 - 9Rr]([0-9a-zA-Z]{1,14})? $

Tags: ColdFusion

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Separators: | * | is divided into lines, | ^ | is divided into columns

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How can I achieve this using regular expressions?
Kind regards
Euntaek

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-------------------------------------
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