CODE EXAMPLE FOR PYTHON

python check phone number

def isPhoneNumber(text):
    if len(text) != 12: 
        return False 
    for i in range(0, 3): 
        if not text[i].isdecimal(): # if the first 3 text is not decimal string
            return False  
    if text[3] != '-': 
        return False 
    for i in range(4, 7): 
        if not text[i].isdecimal(): 
            return False 
    if text[7] != '-': 
        return False 
    for i in range(8, 12):
        if not text[i].isdecimal(): 
            return False 
    return True 

message = 'Call me at 000-000-0000 tmmr, and 911 is police.' 

for i in range(len(message)):
    chunk = message[i:i+12] 
    if isPhoneNumber(chunk): 
        print('Phone number found: ' + chunk) 
print('Done')