View/Edit #29:is_numeric

Name(s): is_numeric

1: "Usage:  is_numeric(string)"
2: "Is string numeric (composed of one or more digits possibly preceded by a minus sign)?"
3: "Return true or false"
4: return !!match(args[1], "^ *[-+]?([0-9]*.)?[0-9]+ *$")
5: "Last modified by whiz (#3135) on Sun Jan 13 01:02:24 2008 EST."

Verb arguments: this none this
Verb perms: Readable eXecutable NOT-Debug
Verb owned by: Hacker (#60)

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