finding a character in a String

[gorgin]

salam,

kesi midoone chejoori mitoonam ye caracter ro dar yek kalame ba JavaScript peyda konam?

masalan bedoonam ke dar 125456/153 Slash vojood dare ya na

merci

[pooyanm]

سلام، این کد این کار را انجام می دهد.

var i;
alert((i='125456/153'.indexOf('/')) != -1 ? '/ found at index: ' + i : '/ not found');