How can I convert string text to Symbolics

I use symbolic formula and file reading. I want read text from file and convert symbolic string to symbolics

syms x1  
strX1 = 'x1';    
x1 = 34;

disp(strX1)
disp (x1)

I want result of last 2 line to be same. Are there any way to make strX1 to convert as symbolic type? something like str2sym :D

Answer 1

[Walter Roberson]

sym(strX1)

[Amber]

Thnak you for answer but result is still x1 34

syms x1  
strX1 = 'x1';    
x2=sym(strX1);
x1 = 34;

disp(x2)
disp (x1)

What I have made wrong to make result show as 34 34?

[Walter Roberson]

disp(subs(x2))