Any

1. var1=2
2. var1=var2
3. var1*=1
4. var1+=2
5. var1++
6. var1=var2+2==10

All are invalid as assignment operator is not allowed in expression

String

1. ""India"=="India""
2. ""{var1}"=="{var2}""
3. India==India
4. {var1}=={var2}
   (var1 and Var2 are stored variables containing string values)
   
   

1. Valid
2. Valid
3. Invalid
   (The string data passed not specified in quotes "" also the whole expression is not inside "")
4. Invalid
   (Variables containing string data are not specified in quotes "" also the whole expression is not inside "")

Integer

1. 1==1
2. {var1}=={var2}
3. ""1"=="1""
4. ""{var1}"=="{var2}""
   (var1 and Var2 are stored variables containing integer values or numbers)

1. Valid
2. Valid
3. Valid
4. Valid

Float

1. 1.254==1.345
2. {var1}=={var2}
   (var1 and Var2 are stored variables containing Float values)

1. Valid
2. Valid

Boolean

1. true==true
2. false==false
3. TRUE==TRUE
4. FALSE==FALSE
5. {var1}=={var2}
   (where var1 and var2 can have value either true or false)

1. Valid
2. Valid
3. Invalid
   (Boolean values are case sensitive. Boolean values should be passed in small case).
4. Invalid
5. Valid

Logical operators

(var1=true , var2=false)

1. {var1}&&{var2}==false
2. {var1}||{var2==true
3. !({var1}&&{var2})==true

1. Valid
2. Valid
3. Valid

Arithmetic
Operators

1. 1+1==2
2. 1-1==0
3. 2*2==4
4. 8/2==4
5. 9%2==1

1. Valid
2. Valid
3. Valid
4. Valid
5. Valid

Relational Operators

1. 1==1
2. 1!=2
3. {Var1}<{var2}
4. {var1}>{var2}
5. {Var1}<={var2}
6. {var1}>={var2}

1. Valid
2. Valid
3. Valid
4. Valid
5. Valid
6. Valid

Bitwise Operators

(var1=60 , var2=13)

1. ({var1}&{var2})==12
2. ({var1}|{var2})==61
3. {var1}&{var2}==12
4. {var1}|{var2}==61
5. ({var1}^{var2})==49
6. {var1}^{var2}==49
7. ~{var1}==-61
8. ~~{var1}==-61
9. ~~({var1})==-61
10. {var1}<<2==240
11. {var1}>>2==15
12. {var1}>>>2==15

1. Valid
2. Valid
3. Invalid
   (Outer () are required,otherwise interpretation goes wrong and it may return false)
4. Invalid
   (Outer () are required,otherwise interpretation goes wrong and it may return false)
5. Valid
6. Valid
7. Invalid
   (~ itself is a qualitia special character)
8. Valid
   (escape character ~ is followed by complement operator ~)
9. Valid
10. Valid
11. Valid
12. Valid

Special Characters

Using Qualitia Special characters:

1. ""a~_{xyz"== "a}~xyz""
2. ""a~^xyz"== "a~^xyz""
3. ""a~{xyz"== "a~{xyz""
4. ""a~{xyz"== "a~{xyz""

Always use escape character ~ before qualitia special characters ~,^,{,}
For any other character no escape character is required.
e.g ""as#gh%ff"==" as#gh%ff""

All are valid