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How can the regular expression case-sensitive symbol?

Time:10-09

 
Var/r1=^ \ d + $/;
Var/r2=^ [a-z] + $/g;
Var/r3=^ [a-z] + $/g;
Var r4=/^ [^ 0-9 a Za - z] + $/g;
Var q1=/\ d +/;
Var q2=/[a-z] +/g;
Var q3=/[a-z] +/g;
Var q4=/[^ 0-9 a Za - z] +/g;

Want to set up four rule Numbers, lowercase letters, capital letters and other symbols (case insensitive)

Guidance,


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