1 Correct answer
Hi Teetan,
To define a goal is more than half way of creating script.
Check this:
...app.doScript('main()', ScriptLanguage.JAVASCRIPT, undefined, UndoModes.FAST_ENTIRE_SCRIPT, "grow numbers on masters");
function main() {
catchOption = app.findChangeGrepOptions.includeMasterPages;
app.findChangeGrepOptions.includeMasterPages = true;
app.findGrepPreferences = changeGrepPreferences = null;
app.findGrepPreferences.findWhat = "\\b\\d+\\b";
var
mTarget = app.documents.everyItem().masterSpreads.
22
Replies
Jarek, your version ist much shorter, than my script, great 
I have this in the meantime:
if ( app.documents.length > 0 ) {
if ( app.scriptPreferences.version >= 6 ) {
app.doScript( main, ScriptLanguage.JAVASCRIPT , [], UndoModes.ENTIRE_SCRIPT, "Search in Masterpages" );
}
else {
main();
}
} else {
alert ( "No documents open!" );
}
function main() {
// Your settings
// ---
var SEARCH_PATTERN = '\\b201[4-6]\\b';
// Set SEARCH
// ---
app.findGrepPreferences = app.changeGrepPreferences = null;
app.findChangeGrepOptions.includeMasterPages = true;
app.findGrepPreferences.findWhat = SEARCH_PATTERN;
// Variables
// ---
var allDocs = app.documents,
nDocs = allDocs.length,
nFounds = [],
counter = 0;
// SEARCH ONLY MASTERPAGES IN ALL OPEN DOCS
// ---
for ( var i = 0; i < nDocs; i++ ) {
var curDoc = app.documents,
target = curDoc.masterSpreads.everyItem().pages.everyItem().textFrames.everyItem();
var allFounds = target.findGrep();
for ( var n = 0; n < allFounds.length; n ++ ) {
var framesFound = allFounds
; if ( framesFound.length > 0 ) {
for ( var j = framesFound.length-1; j >= 0 ; j-- ) {
var curFound = framesFound
; var newNumber = (parseInt( curFound.contents) +1).toString();
curFound.contents = newNumber;
} // for
counter += framesFound.length;
} // if
} // for
} // for
app.findGrepPreferences = app.changeGrepPreferences = null;
alert( counter + " expressions have been changed." );
} // main
Teetan, first of all, after Jareks code, I correct my version a bit. Nevertheless my version is a bit longer than Jareks, because I check some things more, have a alert at the end and I’m not able to write such short scripts as Jarek (as a advanced beginner I have always problems with while loops 
…).
The trick ist the line nr. 16 SEARCH_Pattern. Here you can enter the right expression. E.g. if you want to find 2013 - 2016 change [4-6] to [3-6]. However: The script assumes, that you want to grow up numbers +1. So if you want to change other things on the masterpages, all those scripts from today won’t work and must be modified > new goals >> new scripts 😉
if ( app.documents.length > 0 ) {
if ( app.scriptPreferences.version >= 6 ) {
app.doScript( main, ScriptLanguage.JAVASCRIPT , [], UndoModes.ENTIRE_SCRIPT, "Search in Masterpages" );
}
else {
main();
}
} else {
alert ( "No documents open!" );
}
function main() {
// Your settings
// ---
var SEARCH_PATTERN = '\\b201[4-6]\\b';
app.findGrepPreferences = app.changeGrepPreferences = null;
app.findChangeGrepOptions.includeMasterPages = true;
app.findGrepPreferences.findWhat = SEARCH_PATTERN;
var target = app.documents.everyItem().masterSpreads.everyItem().textFrames.everyItem();
var allFounds = target.findGrep();
var counter = 0;
for ( var n = 0; n < allFounds.length; n ++ ) {
var framesFound = allFounds
; if ( framesFound.length > 0 ) {
for ( var j = framesFound.length-1; j >= 0 ; j-- ) {
var curFound = framesFound
; curFound.contents = String( Number( curFound.contents) + 1 );
}
counter += framesFound.length;
} // if
} // for
app.findGrepPreferences = app.changeGrepPreferences = null;
alert( counter + " expressions have been changed." );
} // main
but not today. Sunny wheather. Let’s go outside .
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