[grammar] Forum Topics

Hello, I recently took a course on assembler/compiler construction. In it we covered parsing algorithms such as LL(n), LR(n), LALR(n), and SLR(n). I understand how these parsing algorithms can be used to determine **if** an input string follows a context free grammar (CFG). At some point I also understood how …

I need to design an application that reads a string from the user, then determines and prints how many of each lowercase vowel appear in the entire string. Separate counter for each vowel. I also need to count and print the number of consonants, spaces, and punctuation marks. The problem …

Hi All, I have to split a text into words using both spaces and punctuation as delimiters. Punctuation includes characters like .,!?:;'"- I am using the split function as it follows: [CODE]wordsArray = strLine.split("[.,!?:;'\"-]+\\s*");[/CODE] However, this only splits my text by spaces and ignores other characters I've set as delimiters. …

hello all i m new to shell scripting.i have seen th code substitution like a=`ls -l` and a=23 R=$(a/23/bb) first time we use ` ` and second time we use $ . can anyone tell me Why so?

[code=php] echo ("<a href=foldername/".$file.">".$file."</a>"."<br>"); [/code] and there [code=php] $file = readdir($handle); [/code] in that case $file is a folder name with space.. So I have to put double quotation after href=. But it doesnt printing that double quotation. The link I am getting is only the folder name's first thing …