asp InStr

<script type="text/vbscript">

txt="This is a beautiful day!"
document.write(InStr(txt,"beautiful"))

</script>

<script type="text/vbscript">

txt="This is a beautiful day!"
document.write(InStr(1,txt,"t",1) & "<br />")
document.write(InStr(1,txt,"t",0) & "<br />")

</script>