Text functions

                               
				1. BEGINS():   BEGINS(textfield,'Compare_Text')   => Return TRUE/False
					       Case sensitive	 
				2. BR()
				3. CASESAFEID() 15 digits record id ==18digits
				4. CONTAINS()
				5. FIND()  return type number
				6. ISPICKVAL()
				7. LEFT(): returns the specified numbers of characters from beginning (left side) of text string.
			                        you can use either text expression or field.
			                        LEFT("Prashant Veer Singh", 3) ==> Pra 
				8. LEN(): returns the number of characters in specified text string.
			                  give you the length of text string.
					   1 space = 1 character
					   LEN("Prashant Veer Singh")
					   LEN(fieldAPI)
				9. LOWER(): PRASHANT VEER SINGH   ==> prashant veer singh		   
			                    LOWER("PRASHANT VEER SINGH")
				            LOWER(fieldAPI)
					    convert all letters into lowercase.
				10. MID():  MID("Prashant Veer Singh",3 , 3)
			                    Result: ash
				11. RIGHT(): returns the specified number of characters from end (right hand side) of text string.
			                     RIGHT("Prashant Veer Singh",8)
				12. SUBSTitue()
				13.TEXT(): TEXT( AnnualRevenue )    ==> will remove currency sign and value will be converted into text 
                                            TEXT(picklist field type api)==> you will see the desired value.
				14. VALUE(): convert text string into number
                                              VALUE( Fax )
					       VALUE("12345")
				15. UPPER(): prashant veer singh    ==> PRASHANT VEER SINGH
			                     UPPER("prashant veer singh")
					     UPPER(fieldAPI)
				16. TRIM()
				17. SUBSTITUTE(): SUBSTITUTE("Salesforce Sales cloud", "Sales", "Service")  ==> Serviceforce Service cloud
			                         SUBSTITUTE("Salesforce Experience cloud", "Experience", "Service")   ==> 	Salesforce Service cloud
						 SUBSTITUTE( fieldAPI , "oldtext", "new text")
                                                change old text string either from the expression or from fieldAPI with new one.
				18. LPAD(): 
				19: RPAD():
        
        Detail explaination:
                           In Hindi: Part1: https://www.youtube.com/watch?v=QKIv_Llad0U&list=PL3y3JMXmJvon5R9U8dnYkyAgPK106H-D8&index=18
			             Part2: 
				     
		           In English: Part1: https://www.youtube.com/watch?v=hr607blA8Qw&list=PL3y3JMXmJvomjtS2DpOEfeoA6l_Ayc_hT&index=27
			               Part2: https://www.youtube.com/watch?v=c80cBzdtzKQ&list=PL3y3JMXmJvomjtS2DpOEfeoA6l_Ayc_hT&index=28