Not sure if this is the right forum for this question but couldn'd find
another newsgroup.
I am new to Regular expressions and would like help in deciding which
pattern allows me to split a string into sets of words based on capital
letter.
For e.g. if i have a string "FirstnameLastn ame" I would like the result to
return me Firstname and Lastname.
The other conditions of the input string are
1) If whitespace exists, do not return a match, instead return the original
string.
2) The first character will always be a capital letter.
3) There may or may not be more than one word in the input string.
Any help will be greatly appreciated.
Thanks. 3 4875
By the way, the closest I got was :
string testString = "FirtsnameLastn ame";
string[] s = Regex.Split(tes tString, @"[^A-Z]?[a-z]*");
Unfortunately this returns F and L wheras I would like Firstname and
Lastname to be returned.
"Naveen" wrote:
Not sure if this is the right forum for this question but couldn'd find
another newsgroup.
I am new to Regular expressions and would like help in deciding which
pattern allows me to split a string into sets of words based on capital
letter.
For e.g. if i have a string "FirstnameLastn ame" I would like the result to
return me Firstname and Lastname.
The other conditions of the input string are
1) If whitespace exists, do not return a match, instead return the original
string.
2) The first character will always be a capital letter.
3) There may or may not be more than one word in the input string.
Any help will be greatly appreciated.
Thanks.
Naveen wrote:
Not sure if this is the right forum for this question but couldn'd find
another newsgroup.
I am new to Regular expressions and would like help in deciding which
pattern allows me to split a string into sets of words based on capital
letter.
For e.g. if i have a string "FirstnameLastn ame" I would like the result to
return me Firstname and Lastname.
The other conditions of the input string are
1) If whitespace exists, do not return a match, instead return the original
string.
2) The first character will always be a capital letter.
3) There may or may not be more than one word in the input string.
Any help will be greatly appreciated.
For inspiration:
using System;
using System.Text.Reg ularExpressions ;
namespace E
{
public class PascalParse
{
private static Regex pascal = new Regex("[A-Z][a-z]*");
public static void Main(string[] args)
{
string s = "FirtsnameLastn ame";
foreach(Match m in pascal.Matches( s))
{
Console.WriteLi ne(m.Value);
}
Console.ReadKey ();
}
}
}
Arne
Hello Naveen,
string testString = "FirstnameLastn ame";
if (teststring.ind exOf(" ") == -2)
{
string testString = Regex.Replace(t eststring, @"([a-z])([A-Z])", @"$1 $2",
RegexOptions.No ne);
}
should do the trick. it finds the location of a small character, followed
by a capital character anf inserts a space by splitting them up.
The asiest way to ignore the result if there is a whitespace in teh string
is either checking for a specific space character. A more complicated test
would be:
Regex.Match(tes tString, "\s", RegexOptions.No ne).Success
This should test for all possible space characters in the unicode character
set.
If you're using this regex in a time critical way, or use it pretty often
is is better to use an instance of the regex instead of static calls.
private static Regex insertWhitespac eRegex = new Regex(@"([a-z])([A-Z])",
RegexOptions.Co mpiled);
public static string InsertWhitespac e(string testString)
{
if (teststring.ind exOf(" ") == -2)
{
string testString = insertWhitespac eRegex.Replace( teststring, @"$1 $2");
}
}
Jesse
By the way, the closest I got was :
string testString = "FirtsnameLastn ame";
string[] s = Regex.Split(tes tString, @"[^A-Z]?[a-z]*");
Unfortunately this returns F and L wheras I would like Firstname and
Lastname to be returned.
"Naveen" wrote:
>Not sure if this is the right forum for this question but couldn'd find another newsgroup.
I am new to Regular expressions and would like help in deciding which pattern allows me to split a string into sets of words based on capital letter. For e.g. if i have a string "FirstnameLastn ame" I would like the result to return me Firstname and Lastname. The other conditions of the input string are 1) If whitespace exists, do not return a match, instead return the original string. 2) The first character will always be a capital letter. 3) There may or may not be more than one word in the input string. Any help will be greatly appreciated.
Thanks.
--
Jesse Houwing
jesse.houwing at sogeti.nl This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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