On Wed, 18 Sep 2002 19:43:50 -0500, [EMAIL PROTECTED] (Martin A. Hansen)
wrote:
>what do a regex look like that only matches numbers of the format
>
>(the length of the number doesnt matter its the . thats the problem)
>
>1233.1234
>or
>1234
What about .1234 ?
Maybe a character class?
[\d+\.]+
######################################################
#!/usr/bin/perl
# @newarray will get all elements of array which match regex
@array = qw(1 d 3 5 f tt 4rt 555 zz88tt 9.1 345.67 .2345);
@newarray = grep{/\d+/} @array;
@newarray1 = grep{/^\d+$/} @array;
@newarray2 = grep {/\d+\.\d+/} @array;
@newarray3 = grep {/^[\d+\.]+$/} @array;
print "@array\n";
print "@newarray\n";
print "@newarray1\n";
print "@newarray2\n";
print "@newarray3\n";
#########################################################
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