import re pattern = r"\d{3}" #2 digit numbers text = " I joined in gitam in 2007 as Assistant Professor" print(re.findall(pattern,text)) import re pattern = r"\d{1,3}" #2 digit numbers text = " I joined in gitam in 2007 as Assistant Professor at 9 Am" print(re.findall(pattern,text)) import re pattern = r"\b\d{1,3}\b" #2 digit numbers you can find your aadhar, Pan number text = " I joined in gitam in 2007 as Assistant Professor at 9 Am" print(re.findall(pattern,text)) import re pattern = r"\S" #White Spaces text = " I joined in gitam in 2007 as Assistant Professor at 9 Am" print(re.findall(pattern,text)) import re pattern = r"[a-p]" # Characters text = " I joined in gitam in 2007 as Assistant Professor at 9 Am" print(re.findall(pattern,text)) import re pattern = r"[a-p]|[0-9]" #number and digits text = " I joined in gitam in 2007 as Assistant Professor at 9 Am" print(re.findall(pattern,text)) import re pattern = r"[A-Z]" #number and digits text = " I joined in gitam in 2007 as Assistant Professor at 9 Am" print(re.findall(pattern,text)) import re pattern = r"Assist" #useful in text mining text = " I joined in gitam in 2007 as Assistant Professor at 9 Am Assist" print(re.findall(pattern,text)) import re pattern = r"^joined" #begining text = "I joined in gitam in 2007 as Assistant Professor at 9 Am Assist" print(re.findall(pattern,text)) import re pattern = r"gitam$" #ending text = "I joined in gitam in 2007 as Assistant Professor at 9 Am Assist" print(re.findall(pattern,text)) import re pattern = r"Assist*" # likw 0 or more occurance of t followed by Assis text = "I joined in gitam in 2007 as Assistant Professor at 9 Am Assis" print(re.findall(pattern,text)) import re pattern = r"Assist+" # likw 1 or more occurance of t followed by Assis text = "I joined in gitam in 2007 as assistant Professor at 9 Am Assis" print(re.findall(pattern,text,re.IGNORECASE)) import re pattern = r"[^A-Z]" #number and digits text = " I joined in gitam in 2007 as Assistant Professor at 9 Am" print(re.findall(pattern,text)) import re pattern = r"[0-7][0-9]" #number and digits text = " I got 78 marks out of 99 in nlp" print(re.findall(pattern,text)) import re pattern = r"[A-Z][A-Z][A-Z][A-Z][A-Z][0-0][0-9][0-0][0-9][A-Z]" number text = " I got 78 marks out of 99 in nlp" print(re.findall(pattern,text)) #Pan