108 lines
3.6 KiB
HTML
108 lines
3.6 KiB
HTML
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
|
||
|
|
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<title>String handling functions</title>
|
||
|
|
<link href="style.css" rel="stylesheet" type="text/css">
|
||
|
|
</head>
|
||
|
|
<body background="images/back.gif">
|
||
|
|
<!--START-->
|
||
|
|
|
||
|
|
<h3>String handling functions</h3>
|
||
|
|
|
||
|
|
The following functions deal with characters and string.
|
||
|
|
|
||
|
|
<p>
|
||
|
|
<blockquote>
|
||
|
|
<tt><b>chr(val)</b></tt>
|
||
|
|
Returns a string containing the character with asci code val.<br>
|
||
|
|
<tt><b>ord(str)</b></tt>
|
||
|
|
Returns the asci code of the first character in str.<br>
|
||
|
|
<tt><b>real(str)</b></tt>
|
||
|
|
Turns str into a real number. str can contain a minus sign, a decimal
|
||
|
|
dot and even an exponential part.<br>
|
||
|
|
<tt><b>string(val)</b></tt>
|
||
|
|
Turns the real value into a string using a standard format (no decimal
|
||
|
|
places when it is an integer, and two decimal places otherwise).<br>
|
||
|
|
<tt><b>string_format(val,tot,dec)</b></tt>
|
||
|
|
Turns val into a string using your own format: tot indicates the total
|
||
|
|
number of places and dec indicates the number of decimal places.<br>
|
||
|
|
<tt><b>string_length(str)</b></tt>
|
||
|
|
Returns the number of characters in the string.<br>
|
||
|
|
<tt><b>string_pos(substr,str)</b></tt>
|
||
|
|
Returns the position of substr in str (0=no occurrence).<br>
|
||
|
|
<tt><b>string_copy(str,index,count)</b></tt>
|
||
|
|
Returns a substring of str, starting at position index, and of length count.<br>
|
||
|
|
<tt><b>string_char_at(str,index)</b></tt>
|
||
|
|
Returns the character in str at position index.<br>
|
||
|
|
<tt><b>string_delete(str,index,count)</b></tt>
|
||
|
|
Returns a copy of str with the part removed that starts at position
|
||
|
|
index and has length count.<br>
|
||
|
|
<tt><b>string_insert(substr,str,index)</b></tt>
|
||
|
|
Returns a copy of str with substr added at position index.<br>
|
||
|
|
<tt><b>string_replace(str,substr,newstr)</b></tt>
|
||
|
|
Returns a copy of str with the first occurrence of substr replaced by newstr.<br>
|
||
|
|
<tt><b>string_replace_all(str,substr,newstr)</b></tt>
|
||
|
|
Returns a copy of str with all occurrences of substr replaced by newstr.<br>
|
||
|
|
<tt><b>string_count(substr,str)</b></tt>
|
||
|
|
Returns the number of occurrences of substr in str.<br>
|
||
|
|
<tt><b>string_lower(str)</b></tt>
|
||
|
|
Returns a lowercase copy of str.<br>
|
||
|
|
<tt><b>string_upper(str)</b></tt>
|
||
|
|
Returns an uppercase copy of str.<br>
|
||
|
|
<tt><b>string_repeat(str,count)</b></tt>
|
||
|
|
Returns a string consisting of count copies of str.<br>
|
||
|
|
<tt><b>string_letters(str)</b></tt>
|
||
|
|
Returns a string that only contains the letters in str.<br>
|
||
|
|
<tt><b>string_digits(str)</b></tt>
|
||
|
|
Returns a string that only contains the digits in str.<br>
|
||
|
|
<tt><b>string_lettersdigits(str)</b></tt>
|
||
|
|
Returns a string that contains the letters and digits in str.<br>
|
||
|
|
</blockquote>
|
||
|
|
|
||
|
|
<p>
|
||
|
|
The following functions deal with the clipboard for storing text.
|
||
|
|
|
||
|
|
<p>
|
||
|
|
<blockquote>
|
||
|
|
<tt><b>clipboard_has_text()</b></tt>
|
||
|
|
Returns whether there is any text on the clipboard.<br>
|
||
|
|
<tt><b>clipboard_get_text()</b></tt>
|
||
|
|
Returns the current text on the clipboard.<br>
|
||
|
|
<tt><b>clipboard_set_text(str)</b></tt>
|
||
|
|
Sets the string str on the clipboard.<br>
|
||
|
|
</blockquote>
|
||
|
|
|
||
|
|
|
||
|
|
<!--END-->
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
|
||
|
|
<!-- KEYWORDS
|
||
|
|
string functions
|
||
|
|
clipboard functions
|
||
|
|
|
||
|
|
real()
|
||
|
|
string()
|
||
|
|
string_format()
|
||
|
|
chr()
|
||
|
|
ord()
|
||
|
|
string_length()
|
||
|
|
string_pos()
|
||
|
|
string_copy()
|
||
|
|
string_char_at()
|
||
|
|
string_delete()
|
||
|
|
string_insert()
|
||
|
|
string_lower()
|
||
|
|
string_upper()
|
||
|
|
string_repeat()
|
||
|
|
string_letters()
|
||
|
|
string_digits()
|
||
|
|
string_lettersdigits()
|
||
|
|
string_replace()
|
||
|
|
string_replace_all()
|
||
|
|
string_count()
|
||
|
|
clipboard_has_text()
|
||
|
|
clipboard_set_text()
|
||
|
|
clipboard_get_text()
|
||
|
|
-->
|