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4.4.5.9 Character and Sequence Functions<br />
$FCHAR Conversion to character<br />
$FEDIT Edit string<br />
$FELEM Element of sequence<br />
$FFIND Index of a value in an array or sequence<br />
$FICHAR Conversion from character<br />
$FINDEX Index of a substring<br />
$FLEN Length of string or sequence<br />
$FMATCH Match string<br />
$FSEQ Create a sequence<br />
$FSUBSQ Extract subsequence<br />
$FSUBST Extract substring<br />
$FSWRIT String formatting<br />
$FTOLOWR String conversion to lower case<br />
$FTOUPER String conversion to upper case<br />
<strong>Virtual</strong> <strong>Machine</strong> Reference, Model Customization<br />
Simulation Macro Functions, Character and Sequence Functions<br />
Character functions deal with arguments of type STRING. Sequence functions deal with arguments<br />
matched using the $Pn* construct. In both cases, these arguments have a concept of<br />
length. The length of a string is the number of characters it contains. The length of a sequence is<br />
the number of elements (any combination of numbers, strings and keywords) it contains.<br />
The $FCHAR Function<br />
result=$FCHAR(n)<br />
Returns: String<br />
This function returns the ASCII character corresponding to the nearest whole value of n.<br />
The $FEDIT Function<br />
result=$FEDIT(s1,s2[,s3][,n])<br />
Returns: String<br />
This function searches for one or more occurrences of the search string s2 in string s1. For each<br />
occurrence, the matching portion is substituted by the contents of string s3, or if s3 is not specified,<br />
the matching portion is deleted. The default action is to replace all matching occurrences of<br />
s2 in s1 by s3. This can be changed by specifying n. If n is zero, then all matching occurrences<br />
are replaced (the default). If n is one (1), only the first match is replaced. Larger values of n<br />
cause the specified match number to be changed. If a match is not found, $FEDIT returns the<br />
string s1 unchanged.<br />
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