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zku
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 Posted: Thu Jul 24, 2003 8:18 am Post subject: String ' |
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Hi,
I have a string s = "1 '2 '3 4 '5";
How can I retrieve the string from single quote to another single quote and
kept the escape letter ""?
i want the String retrieved = "'2 '3 4 '";
any idea?
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Manish Jethani
Guest
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| Posted: Thu Jul 24, 2003 7:59 pm Post subject: Re: String ' |
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zku wrote:
| Quote: | I have a string s = "1 '2 '3 4 '5";
How can I retrieve the string from single quote to another single quote and
kept the escape letter ""?
i want the String retrieved = "'2 '3 4 '";
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class a
{
public static void main(String[] args)
{
System.out.println(args[0]);
System.out.println(foo(args[0]));
}
static String foo(String s)
{
return foo(s, 0);
}
static String foo(String s, int beginIndex)
{
return foo(s, beginIndex, s.length());
}
static String foo(String s, int beginIndex, int endIndex)
{
StringBuffer s1 = new StringBuffer(s.length());
boolean e = false, q = false;
loop:
for (int i = beginIndex; i < endIndex; i++) {
char c = s.charAt(i);
if (!e) {
switch (c) {
case '\':
e = true;
break;
case ''':
q = !q;
if (!q) break loop;
break;
default:
if (q) s1.append(c);
}
} else {
if (q) s1.append(c);
e = false;
}
}
if (!q)
return s1.toString();
else
return null;
}
}
$ java a "1 '2 '3 4 '5"
1 '2 '3 4 '5
2 '3 4
But you're better off with regular expressions  Also ask on
comp.lang.perl for a regex-based solution.
-Manish
--
Manish Jethani (manish.j at gmx.net)
phone (work) +91-80-51073488
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Roedy Green
Guest
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| Posted: Thu Jul 24, 2003 9:05 pm Post subject: Re: String ' |
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On Thu, 24 Jul 2003 16:18:55 +0800, "zku" <zku (AT) tm (DOT) net.my> wrote or
quoted :
see http://mindprod.com/jgloss/literals.html
you want to quote the ' and the itself.
so
"'2 \'3 2 '"
If this boggles the mind, see the quoter amanunesis for help.
http://mindprod.com/quoter.html Tell it you want your strings
converted to Java.
--
Canadian Mind Products, Roedy Green.
Coaching, problem solving, economical contract programming.
See http://mindprod.com/jgloss/jgloss.html for The Java Glossary.
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