|10.4 Which functions are available in the WMLscript String library?|
The following functions are available in the String library. Note that this is meant as a basic introduction and a quick reference. The authoritative source on WMLscript is WAPforum and the latest approved WMLscript reference is available here.
The functions in this section are accessed by String.functionName
String indexes start at 0, i.e. the first character in a string is at position 0.
length(string) returns length of string
isEmpty(string) returns true if string is empty
charAt(string,index) returns a string containing the character as position index in string
subString(string,start,length) returns a string containing all characters in string from position start and count characters forward
find(string,substring) returns the position where substring is found in string. If no match, -1 is returned
replace(string,oldsubstring,newsubstring) replaces all occurrences of oldsubstring in string with newsubstring
elements(string,character) returns the number of elements present in string separated by character
elementAt(string,index,character) returns the index'th element in string separated by character
removeAt(string,index,character) returns string after the index'th element has been removed separated by character
replaceAt(string,element,index,character) returns string after the index'th element has been replaced by element separated by character
insertAt(string,element,index,character) returns string after the element has been inserted in the index'th element separated by character
squeeze(string) returns string after all whitespaces inside string has been removed
trim(string) returns string after all leading and trailing whitespaces has been removed
compare(string1,string2) compares string1 with string2 and returns -1 if less, 0 if equal or 1 if greater
toString(number) returns number converted to a string.
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