Chek Format from textbox

Question

hi i want to chek the Format of strings . e.g i have two format 'add $t1$t5$t4' 'addi $t1$t120' how do i chek this format from text box when user input in textbox???. either i have to fix the string formats ?? but strng.Format() method are for numeric type what should i have to do for this type of data ??/plz help me in this Thanks

Amit Choudhary · Answer

hi friend why don't you use regular expression.. write regular expression and apply and RegualerExpressionValidator on your textbox. add the regular expression in your validator. and your problem will be solved. Please mark as Do you like this post if it helps you.

Madiha Khalid · Answer

thanks i wil try this...