Regular Expressions

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Useful RegEx

Matches	Expression
IP Address	`^\b((25[0-5]\|2[0-4]\d\|[01]\d\d\|\d?\d)\.){3}(25[0-5]\|2[0-4]\d\|[01]\d\d\|\d?\d)\b`
Alphanumeric word (eg Hostname)	`\A[[:alnum:]]+`

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