Thanks for asking. Few comes to my mind, not necessarily for this project in particular but for general use, some of them may be better implemented as a condition/action than expression:
Get length of text (return number of characters)
StrGetLength(“hello”) = 5
Find character in text (look for character return true or false)
StrFindChar(‘e’, “hello”) = true
Get index of character (return the index number of first char found)
StrGetCharIndex(‘l’, “hello world”) = 2 //index of first char is 0
Find portion in text (look for portion return true or false)
StrFindPortion(“hello”, “hello world”) = true
Get index of first char of portion (return the index of first character of portion)
StrGetPortIndexBegin(“ello”, “hello”) = 1
Get index of last char of portion (return the index of last character of portion)
StrGetPortionIndexEnd(“ello”, “hello”) = 4
Subtract portion from text (look for portion and return the remaining)
StrSubtractPortion(“hello”, “hello world”) = " world"
Subtract character (look for a character and return the ramining)
StrSubtractChar(‘l’, “hello world”) = “heo word”
Get character number (return the number a character is appear in a text)
StrGetCharCount(‘l’, “hello world”) = 3
Get portion number (return the number a portion is appear in a text)
StrGetPortionCount(“ho”, “hohoho”) = 3
Replace string (replace selected portion)
StrReplace(“the beginning”, “beginning”, “end”) = “the end”
Trim string (removes white space)
StrTrim(“hello world”) = “helloworld”
Get number of space from text (return the number of white spaces in text)
StrGetWhiteSpaceCount(“I like it”) = 2
Get index of white space (return the index number of first white space)
StrGetWhiteSpaceIndex(“I like it”) = 1
Get text color (return the rgb values of text color)
StrGetTextColor(object_name) = “R;G;B”