Answers for "extract letter in string python"

extract letters from a string

Extract  numbers from a string

Character.isDigit(str.charAt(i))
Character.isLetter(str.charAt(i))
Character.isAlphabetic(str.charAt(i))

String password = "cnE4g1Z5y9A";	
String[] letters= password.split("[0-9]");    ==> cnEgZyA
String[] letters= password.split("[A-Za-z]");    ==> 4159

python extract substring

# string [start:end:step]
string = "freeCodeCamp"
print(string[0:len(string)-1])		# freeCodeCam
print(string[0:5])		            # freeC
print(string[2:6])		            # eeCo
print(string[-1])		            # p
print(string[-5:])		            # eCamp
print(string[1:-4])                 # reeCode
print(string[-5:-2])	            # eCa
print(string[::2])		            # feCdCm