On Fri, 9 Mar 2007, The Editor wrote:
Just came up with a simple plan for a fairly powerful math function. Can
someone help me setup an expression that will test whether or not $value
consists of any characters beside numbers . + - * / (others will be
added if you want more capabilities--via an sdv definition)
Eh.. don't you just mean
/^[-+*/ 0-9.]+$/
if $value matches this regexp, it may only consists of space, '-', '+'
etc. If the match fails, the expression contains something else.
/Christian
--
Christian Ridderström, +46-8-768 39 44 http://www.md.kth.se/~chr
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