Combine Find & Replace Code for Illustrator

function myReplace(search_string, replace_string) {
    var active_doc = app.activeDocument;
    var text_frames = active_doc.textFrames;
    if (text_frames.length > 0)
    {
        for (var i = 0 ; i < text_frames.length; i++)
        {
            var this_text_frame = text_frames[i];
            var new_string = this_text_frame.contents.replace(search_string, replace_string);
            if (new_string != this_text_frame.contents)
            {
                this_text_frame.contents = new_string;
                }
            }
        }
    }
myReplace(/([NW]\d{6})-S[_-]/i, "$1-S??? ");
myReplace(/_/gi, " ");
myReplace(/(\d{6})-?\d{7}\/\d\d?\d?-/i, "-$1-");
myReplace(/-INS-\d\d\/\d\d?-/i, "* ");
myReplace(/ ASSEMBLY/gi, " ASY");
myReplace(/ ***?Y+$| ***?Y - | ***?Y -| ***?Y | ***?Y- | ***?Y-/gi, " ASY - ");
myReplace(/MCA-|DSC1-|DSC1|DS-C1-|DS-C1/i, "-");
myReplace(/^DS-|^DI-|^PH-|MCA|^PAF-|^PAF|^FDR-|^FDR/i, "");
myReplace(/ ?\(VIEW\)| ?\(VIE[W?)?]| ?\(VIE+$| ?\(VI+$| ?\(V+$| ?\(+$/i, "");
myReplace(/([NW]\d{6})-S\/.-/i, "$1-S??? ");
myReplace(/([NW]\d{6})-S\?\?\? SC /i, "$1-S??? SCREW ");
myReplace(/--/gi, "-");

if ( app.documents.length > 0 && app.activeDocument.textFrames.length > 0 ) {
// Set the value of the word to look for
searchWord1 = "*";
//searchWord2 = "The";

// Iterate through all words in the document
// the words that match searchWord
for ( i = 0; i < app.activeDocument.textFrames.length; i++ ) {
textArt = activeDocument.textFrames[i];
for ( j = 0; j < textArt.characters.length; j++) {
word = textArt.characters[j];
if ( word.contents == searchWord1 ) {

word.verticalScale = 120;
word.horizontalScale = 140;
word.baselineShift = -3;
}
}
}
}