﻿ Python Exercises: Find sequences of one upper case letter followed by lower case letters - w3resource

# Python: Find sequences of one upper case letter followed by lower case letters

## Python Regular Expression: Exercise-8 with Solution

Write a Python program to find sequences of one upper case letter followed by lower case letters.

Sample Solution:-

Python Code:

``````import re
def text_match(text):
patterns = '^[a-z]+_[a-z]+\$'
if re.search(patterns,  text):
return 'Found a match!'
else:
return('Not matched!')

print(text_match("aab_cbbbc"))
print(text_match("aab_Abbbc"))
print(text_match("Aaab_abbbc"))
```
```

Sample Output:

```Found a match!
Not matched!
Not matched!
```

Python Code Editor:

```import re
def text_match(text):
patterns = '^[a-z]+_[a-z]+\$'
if re.search(patterns,  text):
return 'Found a match!'
else:
return('Not matched!')

print(text_match("aab_cbbbc"))
print(text_match("aab_Abbbc"))
print(text_match("Aaab_abbbc"))
```

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